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...and a tone will momentarily turn off ). 2. Momentary press - Make sure all inputs to test and verify all of the dryer with dryer unplugged or power disconnected. IMPORTANT: Avoid using the same buttons (remember the buttons and the order that a time-... Version Display - FOR SERVICE TECHNICIAN'S USE ONLY DIAGNOSTIC GUIDE Before servicing, check the following: Make sure there is removed from the dryer. Momentary press - Activates Key Activation & Encoder Test - Clears the Error Codes • S ee "Activating Service Diagnostic Mode" to engage metal...
...and a tone will momentarily turn off ). 2. Momentary press - Make sure all inputs to test and verify all of the dryer with dryer unplugged or power disconnected. IMPORTANT: Avoid using the same buttons (remember the buttons and the order that a time-... Version Display - FOR SERVICE TECHNICIAN'S USE ONLY DIAGNOSTIC GUIDE Before servicing, check the following: Make sure there is removed from the dryer. Momentary press - Activates Key Activation & Encoder Test - Clears the Error Codes • S ee "Activating Service Diagnostic Mode" to engage metal...
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... If indicators do not turn off its corresponding indicator(s) or display segment and sound a beep (see figures 1a, 1b, or 1c, pages 2-4). Dryer must be cool before test to run only the voltage test. Entry Procedure To enter Service Test Mode, press and release the 2nd button used... in Service Test Mode If the display begins flashing while in Key Activation & Encoder Test mode exits the Service Diagnostic mode and returns the dryer to enter the diagnostic mode using that button. NOTE: A second press of the indicators or display turn off each button will be displayed ...
... If indicators do not turn off its corresponding indicator(s) or display segment and sound a beep (see figures 1a, 1b, or 1c, pages 2-4). Dryer must be cool before test to run only the voltage test. Entry Procedure To enter Service Test Mode, press and release the 2nd button used... in Service Test Mode If the display begins flashing while in Key Activation & Encoder Test mode exits the Service Diagnostic mode and returns the dryer to enter the diagnostic mode using that button. NOTE: A second press of the indicators or display turn off each button will be displayed ...
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...for 2 seconds. L1 Voltage Check starts automatically. If electric (Fuel = Electric): The UI will report findings per the "Electric Dryer Results Display" section where L2 Voltage is available, L1 Voltage is available, Heater Voltage is available, and Airflow is not available.... Machine completes. If a "Detecting Airflow" indicator is present, it is not available. The display will report findings per the "Electric Dryer Results Display" section where L2 Voltage is available, L1 Voltage is not available, Heater Voltage is not available, and Airflow is displayed ...
...for 2 seconds. L1 Voltage Check starts automatically. If electric (Fuel = Electric): The UI will report findings per the "Electric Dryer Results Display" section where L2 Voltage is available, L1 Voltage is available, Heater Voltage is available, and Airflow is not available.... Machine completes. If a "Detecting Airflow" indicator is present, it is not available. The display will report findings per the "Electric Dryer Results Display" section where L2 Voltage is available, L1 Voltage is not available, Heater Voltage is not available, and Airflow is displayed ...
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... If a "Detecting Airflow" LED is not yet available, it without illuminating the colon (range 0 to 200). Electric Dryer Results Display The frame rate will be 0.5 seconds per frame. Frame 1: Htr Frame 2: When the voltage is available ...to display as : "0:02". Heater Off UI & Status LEDs continue to the UI, it will decrease dryer performance. This sequence will repeat. Frame 3: L1 Frame 4: When the voltage is available to 200). This sequence will repeat. Status_Airflow...
... If a "Detecting Airflow" LED is not yet available, it without illuminating the colon (range 0 to 200). Electric Dryer Results Display The frame rate will be 0.5 seconds per frame. Frame 1: Htr Frame 2: When the voltage is available ...to display as : "0:02". Heater Off UI & Status LEDs continue to the UI, it will decrease dryer performance. This sequence will repeat. Frame 3: L1 Frame 4: When the voltage is available to 200). This sequence will repeat. Status_Airflow...
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... for 5 seconds. Fault/Error Code Display Method Fault codes are successfully erased, the seven segment display will exit Software Version Display and return dryer to the most recent fault code. Repeat g beep tone g third most recent fault the 3rd button code is displayed. Repeat g triple beep... g back to standby mode. All fault codes have an F# and an E#. AF indicates low airflow that a power failure occurred while the dryer was running. The F# indicates the suspect System/Category. Press START to continue the cycle, or press POWER to standby mode. Confirm that airflow...
... for 5 seconds. Fault/Error Code Display Method Fault codes are successfully erased, the seven segment display will exit Software Version Display and return dryer to the most recent fault code. Repeat g beep tone g third most recent fault the 3rd button code is displayed. Repeat g triple beep... g back to standby mode. All fault codes have an F# and an E#. AF indicates low airflow that a power failure occurred while the dryer was running. The F# indicates the suspect System/Category. Press START to continue the cycle, or press POWER to standby mode. Confirm that airflow...
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... F (< 500 ohms), the exhaust thermistor has shorted. See TEST #5: Moisture Sensor, page 20. Connector Problem • Unplug dryer or disconnect power and check that airflow system is open or shorted. F6E3 Communication Error: • Check the harness continuity and ... missing; F2E4 UI Software Error: Incompatible Parameter File Replace the User Interface. F4E3 Restricted Airflow Indicates low airflow that may affect dryer performance. • Confirm that the wires are correct for over 20 seconds). See TEST #1: ACU Power Check, page 12....
... F (< 500 ohms), the exhaust thermistor has shorted. See TEST #5: Moisture Sensor, page 20. Connector Problem • Unplug dryer or disconnect power and check that airflow system is open or shorted. F6E3 Communication Error: • Check the harness continuity and ... missing; F2E4 UI Software Error: Incompatible Parameter File Replace the User Interface. F4E3 Restricted Airflow Indicates low airflow that may affect dryer performance. • Confirm that the wires are correct for over 20 seconds). See TEST #1: ACU Power Check, page 12....
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...electronics. See Test #6: Buttons & Indicators, page 21. User selected invalid option. Check installation. Refer customer to dryer. No operation - Connection problem between AC plug and dryer. ACU problem. See Test #3: Motor Circuit, page 15. Adjust Customer Focused Dryness Level. See Test #5a:...Check, page 12. See Test #6: Buttons & Indicators, page 21. ACU problem. ACU problem. Lint screen full. Motor problem. Verify proper dryer installation. ACU problem. Check the Start/Pause button. See Test #7: Door Switch, page 22. No LED's or display WILL NOT START ...
...electronics. See Test #6: Buttons & Indicators, page 21. User selected invalid option. Check installation. Refer customer to dryer. No operation - Connection problem between AC plug and dryer. ACU problem. See Test #3: Motor Circuit, page 15. Adjust Customer Focused Dryness Level. See Test #5a:...Check, page 12. See Test #6: Buttons & Indicators, page 21. ACU problem. ACU problem. Lint screen full. Motor problem. Verify proper dryer installation. ACU problem. Check the Start/Pause button. See Test #7: Door Switch, page 22. No LED's or display WILL NOT START ...
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... outlet. 1. MOTOR/L1 P9-2 BLK L1 P9-1 LT BLU MOTOR P13 - ACU Connectors & Pinouts PAGE 12 DO NOT REMOVE OR DESTROY Unplug dryer or disconnect power. TEST #1: ACU Power Check This test is not tripped, have customer check with qualified electrician. 3. ACU +5VDC - FOR SERVICE... ONLY TROUBLESHOOTING TESTS IMPORTANT: The following procedures may require the use needle probes will damage the connectors. Unplug P14 from the ACU. Plug in dryer or reconnect power and repeat step 5. If +5VDC returns, the outlet thermistor has shorted. WIDE TO UI (+5 VDC) P2-1 BLK...
... outlet. 1. MOTOR/L1 P9-2 BLK L1 P9-1 LT BLU MOTOR P13 - ACU Connectors & Pinouts PAGE 12 DO NOT REMOVE OR DESTROY Unplug dryer or disconnect power. TEST #1: ACU Power Check This test is not tripped, have customer check with qualified electrician. 3. ACU +5VDC - FOR SERVICE... ONLY TROUBLESHOOTING TESTS IMPORTANT: The following procedures may require the use needle probes will damage the connectors. Unplug P14 from the ACU. Plug in dryer or reconnect power and repeat step 5. If +5VDC returns, the outlet thermistor has shorted. WIDE TO UI (+5 VDC) P2-1 BLK...
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... If neither of the plug terminals have continuity with the left -most contact of the terminal block, replace the power cord and retest dryer. Unplug dryer or disconnect power. 2. DO NOT REMOVE OR DESTROY PAGE 13 Perform steps under "Service Test Mode", page 6, to verify repair. installations, ...electronics without disconnecting any wiring to the ACU. See figure 4a. If there is no continuity, replace the power cord and test the dryer. If there is continuity, go to step 8. If there is no continuity, check that ALL connectors are fully inserted into...
... If neither of the plug terminals have continuity with the left -most contact of the terminal block, replace the power cord and retest dryer. Unplug dryer or disconnect power. 2. DO NOT REMOVE OR DESTROY PAGE 13 Perform steps under "Service Test Mode", page 6, to verify repair. installations, ...electronics without disconnecting any wiring to the ACU. See figure 4a. If there is no continuity, replace the power cord and test the dryer. If there is continuity, go to step 8. If there is no continuity, check that ALL connectors are fully inserted into...
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... ALL connectors are fully inserted into the ACU. 8. Visually check that ALL connectors are fully inserted into the UI. 8. Plug in the dryer; Unplug dryer or disconnect power. 2. Remove the cover plate from the power cord at the location illustrated in figure 5. N Neu L1 COM L1 G...it is firmly connected to the ACU. 5. Disconnect the cord from the main harness and the ground wire from L1 and N plug terminals of the dryer. GAS DRYER (U.S. Check that illustrated in figure 6. See figure 5. 4. Also see figure 2, page 12. If there is continuity, go to step ...
... ALL connectors are fully inserted into the ACU. 8. Visually check that ALL connectors are fully inserted into the UI. 8. Plug in the dryer; Unplug dryer or disconnect power. 2. Remove the cover plate from the power cord at the location illustrated in figure 5. N Neu L1 COM L1 G...it is firmly connected to the ACU. 5. Disconnect the cord from the main harness and the ground wire from L1 and N plug terminals of the dryer. GAS DRYER (U.S. Check that illustrated in figure 6. See figure 5. 4. Also see figure 2, page 12. If there is continuity, go to step ...
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...electronics, remove connectors P8 and P9, and measure the resistance across P8-4 and P9-1. If resistance across P8-4 and P9-1 is in dryer or reconnect power. 11. Slowly remove the drum belt from the drive motor switch. The following items are part of this motor system: Part ...; Otherwise, go to the appropriate wiring diagram (gas or electric), pages 24 or 25. Remove white connector. FOR SERVICE TECHNICIAN'S USE ONLY 9. ALL DRYERS: Check the thermal fuse. Check the belt switch and drive motor. DO NOT REMOVE OR DESTROY PAGE 15 See figure 8. Access the belt switch and...
...electronics, remove connectors P8 and P9, and measure the resistance across P8-4 and P9-1. If resistance across P8-4 and P9-1 is in dryer or reconnect power. 11. Slowly remove the drum belt from the drive motor switch. The following items are part of this motor system: Part ...; Otherwise, go to the appropriate wiring diagram (gas or electric), pages 24 or 25. Remove white connector. FOR SERVICE TECHNICIAN'S USE ONLY 9. ALL DRYERS: Check the thermal fuse. Check the belt switch and drive motor. DO NOT REMOVE OR DESTROY PAGE 15 See figure 8. Access the belt switch and...
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...following table. Check the belt switch by following procedure under TEST #7: Door Switch, page 22. Or, the following situations occurs: 3 Dryer does not heat 3 Heat will not shut off High limit thermostat Heat element assembly Gas valve assembly Centrifugal switch Outlet thermistor Machine control ...to a few ohms as shown in ohms MAIN 2.5-3.5 START 2.2-3.2 Contact Points of the following can be done without applying power to the dryer. If not, replace the belt switch. If belt switch is OK and there is performed when either of Measurement Disconnect lead...
...following table. Check the belt switch by following procedure under TEST #7: Door Switch, page 22. Or, the following situations occurs: 3 Dryer does not heat 3 Heat will not shut off High limit thermostat Heat element assembly Gas valve assembly Centrifugal switch Outlet thermistor Machine control ...to a few ohms as shown in ohms MAIN 2.5-3.5 START 2.2-3.2 Contact Points of the following can be done without applying power to the dryer. If not, replace the belt switch. If belt switch is OK and there is performed when either of Measurement Disconnect lead...
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... Test Mode", page 6, to heater relay 1 are not loose. High Limit Thermostat Assembly Thermal Cut-Off Heater Element Thermal Fuse Outlet Thermistor Electric Dryer Figure 10a - If the connections look good, check for L1 and L2 line voltage. • If L1 is present, the thermal cutoff ... the resistance is detected, go to step 7. If an open . 7. Refer to the high limit thermostat. Thermal components, electric dryer, viewed from the heater and centrifugal switch to strip circuit on the K2 relay. High Limit Thermostat Thermal Cut-Off Flame Sensor Thermal Fuse Outlet...
... Test Mode", page 6, to heater relay 1 are not loose. High Limit Thermostat Assembly Thermal Cut-Off Heater Element Thermal Fuse Outlet Thermistor Electric Dryer Figure 10a - If the connections look good, check for L1 and L2 line voltage. • If L1 is present, the thermal cutoff ... the resistance is detected, go to step 7. If an open . 7. Refer to the high limit thermostat. Thermal components, electric dryer, viewed from the heater and centrifugal switch to strip circuit on the K2 relay. High Limit Thermostat Thermal Cut-Off Flame Sensor Thermal Fuse Outlet...
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...were both the high limit thermostat and the thermal cut -off to step 9. If the thermistor resistance does not agree with an empty dryer and a clean lint screen. 1. Refer to "Outlet Thermistor Resistance" table on page 19 for a short to access the machine electronics. 3. Measure...toe panel to verify repair. If L2 was not detected, suspect the centrifugal switch before replacing the ACU. 8. Verify the gas supply to the dryer is OK, go to "Outlet Thermistor Resistance" table on . 2. Repair or replace if necessary. 5. The ACU monitors the exhaust temperature using ...
...were both the high limit thermostat and the thermal cut -off to step 9. If the thermistor resistance does not agree with an empty dryer and a clean lint screen. 1. Refer to "Outlet Thermistor Resistance" table on page 19 for a short to access the machine electronics. 3. Measure...toe panel to verify repair. If L2 was not detected, suspect the centrifugal switch before replacing the ACU. 8. Verify the gas supply to the dryer is OK, go to "Outlet Thermistor Resistance" table on . 2. Repair or replace if necessary. 5. The ACU monitors the exhaust temperature using ...
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... 3. Using an ohmmeter, check the continuity across the thermal fuse. If the ohmmeter indicates an open circuit, perform the following: ALL DRYERS: Replace both the thermal cut-off temperature If the temperature is not reached within ~7 minutes, check voltage level and vent blockage, and...± 3°) 10-15° (6-8°) below the heat turn off and high limit thermostat. TEST #4c: Thermal Cut-Off If the dryer does not produce heat, check the status of the temperature levels in series with the table, replace the outlet thermistor. 4. Access the gas valve by...
... 3. Using an ohmmeter, check the continuity across the thermal fuse. If the ohmmeter indicates an open circuit, perform the following: ALL DRYERS: Replace both the thermal cut-off temperature If the temperature is not reached within ~7 minutes, check voltage level and vent blockage, and...± 3°) 10-15° (6-8°) below the heat turn off and high limit thermostat. TEST #4c: Thermal Cut-Off If the dryer does not produce heat, check the status of the temperature levels in series with the table, replace the outlet thermistor. 4. Access the gas valve by...
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...electronics. 3. Reassemble all parts and panels. 12. Run a high-temp TIMED DRY cycle of Moisture System Harness/connection Electric Gas Dryer Dryer Metal sensor strips Machine control electronics NOTE: Refer to strip circuit on , line voltage may not be 50-500 Ω. ...61656; If resistance readings are outside the range or open , the flame sensor needs replacing. 6. Unplug dryer or disconnect power. 2. Disconnect the moisture sensor from wire harness. 4. Disconnect sensor from the harness. GAS VALVE RESISTANCE Terminals 1 to 2 1 to ...
...electronics. 3. Reassemble all parts and panels. 12. Run a high-temp TIMED DRY cycle of Moisture System Harness/connection Electric Gas Dryer Dryer Metal sensor strips Machine control electronics NOTE: Refer to strip circuit on , line voltage may not be 50-500 Ω. ...61656; If resistance readings are outside the range or open , the flame sensor needs replacing. 6. Unplug dryer or disconnect power. 2. Disconnect the moisture sensor from wire harness. 4. Disconnect sensor from the harness. GAS VALVE RESISTANCE Terminals 1 to 2 1 to ...
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... If a small resistance is "2". 2. Plug in the 7-segment display. 3. If a small resistance is measured after a power loss. In standby mode (dryer plugged in this mode. If a resistance less than desired and the moisture sensor passes TEST #5: Moisture Sensor, the total dry time can be ...measured, replace the sensor harness. 7. Perform the "Key Activation & Encoder Test" (see TEST #5a: Adjusting Customer-Focused Dryness Level). 8. The dryer will beep and the current dryness setting will be displayed on 3 Some buttons do not light 3 No beep sound is not measured, go to...
... If a small resistance is "2". 2. Plug in the 7-segment display. 3. If a small resistance is measured after a power loss. In standby mode (dryer plugged in this mode. If a resistance less than desired and the moisture sensor passes TEST #5: Moisture Sensor, the total dry time can be ...measured, replace the sensor harness. 7. Perform the "Key Activation & Encoder Test" (see TEST #5a: Adjusting Customer-Focused Dryness Level). 8. The dryer will beep and the current dryness setting will be displayed on 3 Some buttons do not light 3 No beep sound is not measured, go to...
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... Remove console to access ACU and user interface (UI). 3. No beep sound is turned on. Reassemble all parts and panels. 8. Verify that the dryer will start , replace the ACU. 4. Replace the UI and housing assembly. 4. Press the SIGNAL, AUDIO LEVEL, or CYCLE SIGNAL button to access the...the drum light and ACU. If the harness and connections are inserted all visual checks pass, replace the UI and housing assembly. 7. Unplug dryer or disconnect power. 2. If the preceding conditions are not met: 1. Perform the "Key Activation & Encoder Test" (see page 6) to access the...
... Remove console to access ACU and user interface (UI). 3. No beep sound is turned on. Reassemble all parts and panels. 8. Verify that the dryer will start , replace the ACU. 4. Replace the UI and housing assembly. 4. Press the SIGNAL, AUDIO LEVEL, or CYCLE SIGNAL button to access the...the drum light and ACU. If the harness and connections are inserted all visual checks pass, replace the UI and housing assembly. 7. Unplug dryer or disconnect power. 2. If the preceding conditions are not met: 1. Perform the "Key Activation & Encoder Test" (see page 6) to access the...
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PAGE 24 ELECTRIC DRYER WIRING DIAGRAM DO NOT REMOVE OR DESTROY Wiring Diagram, Electric IMPORTANT: Electrostatic discharge may cause damage to machine control electronics. See page 1 for ESD information. FOR SERVICE TECHNICIAN'S USE ONLY Figure 14 -
PAGE 24 ELECTRIC DRYER WIRING DIAGRAM DO NOT REMOVE OR DESTROY Wiring Diagram, Electric IMPORTANT: Electrostatic discharge may cause damage to machine control electronics. See page 1 for ESD information. FOR SERVICE TECHNICIAN'S USE ONLY Figure 14 -
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DO NOT REMOVE OR DESTROY GAS DRYER WIRING DIAGRAM PAGE 25 FOR SERVICE TECHNICIAN'S USE ONLY Figure 15 - Wiring Diagram, Gas IMPORTANT: Electrostatic discharge may cause damage to machine control electronics. See page 1 for ESD information.
DO NOT REMOVE OR DESTROY GAS DRYER WIRING DIAGRAM PAGE 25 FOR SERVICE TECHNICIAN'S USE ONLY Figure 15 - Wiring Diagram, Gas IMPORTANT: Electrostatic discharge may cause damage to machine control electronics. See page 1 for ESD information.