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... Encoder Test - FOR SERVICE TECHNICIAN'S USE ONLY DIAGNOSTIC GUIDE Before servicing, check the following: Make sure there is removed from the dryer. You may damage the connectors upon insertion. Check all of 20,000 Ω per volt DC or greater. Resistance... connections. ACTIVATING SERVICE DIAGNOSTIC MODE 1. SERVICE DIAGNOSTIC MODE These tests allow service personnel to do a quick and overall checkup of the dryer with dryer unplugged or power disconnected. IMPORTANT: Avoid using the same buttons (remember the buttons and the order that a time-delay ...
... Encoder Test - FOR SERVICE TECHNICIAN'S USE ONLY DIAGNOSTIC GUIDE Before servicing, check the following: Make sure there is removed from the dryer. You may damage the connectors upon insertion. Check all of 20,000 Ω per volt DC or greater. Resistance... connections. ACTIVATING SERVICE DIAGNOSTIC MODE 1. SERVICE DIAGNOSTIC MODE These tests allow service personnel to do a quick and overall checkup of the dryer with dryer unplugged or power disconnected. IMPORTANT: Avoid using the same buttons (remember the buttons and the order that a time-delay ...
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... the POWER button once or twice (depending on pages 7 and 8. SERVICE TEST MODE NOTE: The Service Diagnostic mode must be displayed at a time. Dryer must be displayed at any button is unable to activate the diagnostic test mode. Entry Procedure To enter Service Test Mode, press and release the... is displaying an active fault code. If any point, the user presses the POWER button or opens the door during Service Test Mode, the dryer exits to TEST #6: Buttons and Indicators, page 21. Review the Fault/Error Codes table on after pressing buttons and rotating the cycle selector knob...
... the POWER button once or twice (depending on pages 7 and 8. SERVICE TEST MODE NOTE: The Service Diagnostic mode must be displayed at a time. Dryer must be displayed at any button is unable to activate the diagnostic test mode. Entry Procedure To enter Service Test Mode, press and release the... is displaying an active fault code. If any point, the user presses the POWER button or opens the door during Service Test Mode, the dryer exits to TEST #6: Buttons and Indicators, page 21. Review the Fault/Error Codes table on after pressing buttons and rotating the cycle selector knob...
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...Motor On Vrms_L2 and Fuel are published to a 3-phase service with reduced wattage that will report findings per the "Gas Dryer Results Display" section where Heater Voltage is available and Airflow is available at the UI. If gas (Fuel = Gas):...automatically. Motor On Vrms_L1 and Heater_Voltage Heater On/Off are published Heater On to begin the L2 Voltage Check. NOTE: Electric dryer performance is displayed on the UI. 5 Check for POWER) are off, and the START button is not available. If a...
...Motor On Vrms_L2 and Fuel are published to a 3-phase service with reduced wattage that will report findings per the "Gas Dryer Results Display" section where Heater Voltage is available and Airflow is available at the UI. If gas (Fuel = Gas):...automatically. Motor On Vrms_L1 and Heater_Voltage Heater On/Off are published Heater On to begin the L2 Voltage Check. NOTE: Electric dryer performance is displayed on the UI. 5 Check for POWER) are off, and the START button is not available. If a...
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... If the result is available to the UI, it will report findings per frame. Status_Airflow = 0 will be 0.5 seconds per the "Gas Dryer Results Display" section where Heater Voltage is available and Airflow is available. Status_Airflow = 2 will be displayed as in step 6. If gas (...will be displayed as : "0:00". If a "Detecting Airflow" LED is present, it is present, it will be displayed as : "0:03". Electric Dryer Results Display The frame rate will report findings per frame. This sequence will repeat. If a "Good Airflow" LED is turned off. Frame 3: L1 ...
... If the result is available to the UI, it will report findings per frame. Status_Airflow = 0 will be 0.5 seconds per the "Gas Dryer Results Display" section where Heater Voltage is available and Airflow is available. Status_Airflow = 2 will be displayed as in step 6. If gas (...will be displayed as : "0:00". If a "Detecting Airflow" LED is present, it is present, it will be displayed as : "0:03". Electric Dryer Results Display The frame rate will report findings per frame. This sequence will repeat. If a "Good Airflow" LED is turned off. Frame 3: L1 ...
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... revision number, d: minor revision number, d: test revision number) Exit Procedure Pressing the POWER button will exit Software Version Display and return dryer to activate Service Diagnostics Repeat g beep tone g second most recent fault code. Then press and hold the 2nd button used to the ...AF Restricted Airflow L2 Low Line Voltage CUSTOMER DIAGNOSTIC CODES EXPLANATION AND RECOMMENDED PROCEDURE PF indicates that a power failure occurred while the dryer was running. When the oldest fault code is displayed, additional presses of the 3rd button will result in a triple beep and...
... revision number, d: minor revision number, d: test revision number) Exit Procedure Pressing the POWER button will exit Software Version Display and return dryer to activate Service Diagnostics Repeat g beep tone g second most recent fault code. Then press and hold the 2nd button used to the ...AF Restricted Airflow L2 Low Line Voltage CUSTOMER DIAGNOSTIC CODES EXPLANATION AND RECOMMENDED PROCEDURE PF indicates that a power failure occurred while the dryer was running. When the oldest fault code is displayed, additional presses of the 3rd button will result in a triple beep and...
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... thermistor is open . See TEST #4a: Outlet (Exhaust) Thermistor, page 18. F4E3 Restricted Airflow Indicates low airflow that may affect dryer performance. • Confirm that the wires are correct for over 20 seconds). PAGE 10 DO NOT REMOVE OR DESTROY F1E5 Parameter Memory ...the ACU and UI has not been detected. F2E1 User Interface (UI) Stuck Button Indicates a stuck button (depressed for the dryer model displaying the fault/error code. F2E4 UI Software Error: Incompatible Parameter File Replace the User Interface. models only) •...
... thermistor is open . See TEST #4a: Outlet (Exhaust) Thermistor, page 18. F4E3 Restricted Airflow Indicates low airflow that may affect dryer performance. • Confirm that the wires are correct for over 20 seconds). PAGE 10 DO NOT REMOVE OR DESTROY F1E5 Parameter Memory ...the ACU and UI has not been detected. F2E1 User Interface (UI) Stuck Button Indicates a stuck button (depressed for the dryer model displaying the fault/error code. F2E4 UI Software Error: Incompatible Parameter File Replace the User Interface. models only) •...
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... 15. Dryness or Dry Level setting for L1 and L2. Heater vent clogged. Adjust Customer Focused Dryness Level. Refer customer to dryer. See Test #5a: Adjusting Customer-Focused Dryness Level, page 21. DO NOT REMOVE OR DESTROY PAGE 11 FOR SERVICE TECHNICIAN'S USE.... See Test #5: Moisture Sensor, page 20. Refer customer to "Use and Care Guide". Heater system malfunction or open heater coil. Verify proper dryer installation. Clean if necessary. See Test #5: Moisture Sensor, page 20. Check the Start/Pause button. Perform Key Activation & Encoder Test. See ...
... 15. Dryness or Dry Level setting for L1 and L2. Heater vent clogged. Adjust Customer Focused Dryness Level. Refer customer to dryer. See Test #5a: Adjusting Customer-Focused Dryness Level, page 21. DO NOT REMOVE OR DESTROY PAGE 11 FOR SERVICE TECHNICIAN'S USE.... See Test #5: Moisture Sensor, page 20. Refer customer to "Use and Care Guide". Heater system malfunction or open heater coil. Verify proper dryer installation. Clean if necessary. See Test #5: Moisture Sensor, page 20. Check the Start/Pause button. Perform Key Activation & Encoder Test. See ...
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...P2-3 (ground) and red probe to step 5. If 120VAC is not present, go to the ACU and unplug P2 from the ACU. Unplug dryer or disconnect power. Perform voltage check inside header P2 on ACU, between pins 1 & 3-DO NOT SHORT PINS TOGETHER. BLK P9 - ACU Connectors & ...Motor Relay P13 Heater - Unplug P14 from the ACU. TEST #1: ACU Power Check This test is present at the outlet. 1. ACU VAC - Plug in dryer or reconnect power. If 120VAC is not tripped, have customer check with qualified electrician. 3. DOOR SWITCH P8-5 BLK/W CENTRIFUGAL SW. P8-4 TAN ...
...P2-3 (ground) and red probe to step 5. If 120VAC is not present, go to the ACU and unplug P2 from the ACU. Unplug dryer or disconnect power. Perform voltage check inside header P2 on ACU, between pins 1 & 3-DO NOT SHORT PINS TOGETHER. BLK P9 - ACU Connectors & ...Motor Relay P13 Heater - Unplug P14 from the ACU. TEST #1: ACU Power Check This test is present at the outlet. 1. ACU VAC - Plug in dryer or reconnect power. If 120VAC is not tripped, have customer check with qualified electrician. 3. DOOR SWITCH P8-5 BLK/W CENTRIFUGAL SW. P8-4 TAN ...
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... REMOVE OR DESTROY PAGE 13 FOR SERVICE TECHNICIAN'S USE ONLY If +5VDC is present at the outlet, and for U.S. ELECTRIC DRYER (U.S. Cover Plate Remove Screws Figure 3 - Access the machine electronics without disconnecting any wiring to step 5. Remove the cover plate from the... right corner of the back of the wire are mechanically secure. If so, replace the main wire harness and test the dryer. 7. ELECTRIC DRYER (Canadian Installations): 1. Unplug dryer or disconnect power. 9. Remove the cover plate. 3. See figure 4a. If there is no continuity, and...
... REMOVE OR DESTROY PAGE 13 FOR SERVICE TECHNICIAN'S USE ONLY If +5VDC is present at the outlet, and for U.S. ELECTRIC DRYER (U.S. Cover Plate Remove Screws Figure 3 - Access the machine electronics without disconnecting any wiring to step 5. Remove the cover plate from the... right corner of the back of the wire are mechanically secure. If so, replace the main wire harness and test the dryer. 7. ELECTRIC DRYER (Canadian Installations): 1. Unplug dryer or disconnect power. 9. Remove the cover plate. 3. See figure 4a. If there is no continuity, and...
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...the L1 terminal of the plug and P9-2 (black wire) on the ACU. If there is continuity, go to that illustrated in figure 6. Unplug dryer or disconnect power. 2. PAGE 14 DO NOT REMOVE OR DESTROY Plug in figure 5. Perform steps under "Service Test Mode", page 6, to the ACU. 5.... Visually check that the power cord is no continuity, disconnect the white wire of the main harness from L1 and N plug terminals of the dryer. Also see figure 2, page 12. If there is continuity, go to step 7. If there is firmly connected to replace the power...
...the L1 terminal of the plug and P9-2 (black wire) on the ACU. If there is continuity, go to that illustrated in figure 6. Unplug dryer or disconnect power. 2. PAGE 14 DO NOT REMOVE OR DESTROY Plug in figure 5. Perform steps under "Service Test Mode", page 6, to the ACU. 5.... Visually check that the power cord is no continuity, disconnect the white wire of the main harness from L1 and N plug terminals of the dryer. Also see figure 2, page 12. If there is continuity, go to step 7. If there is firmly connected to replace the power...
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...panel screws (to diagnose drive motor. 1. Main and start winding measure points and checking the belt switch. Unplug dryer or disconnect power. 2. ALL DRYERS: Check the thermal fuse. Plug in the range of Motor System Harness/connection Thermal fuse Belt/belt switch Drive... motor Centrifugal switch Door switch Machine control electronics (See ESD information, page 1) Electric Dryer ü ü Gas Dryer ü ü Drum Belt Figure 7 - Check the belt switch and drive motor. Figure 8 - Access the machine control...
...panel screws (to diagnose drive motor. 1. Main and start winding measure points and checking the belt switch. Unplug dryer or disconnect power. 2. ALL DRYERS: Check the thermal fuse. Plug in the range of Motor System Harness/connection Thermal fuse Belt/belt switch Drive... motor Centrifugal switch Door switch Machine control electronics (See ESD information, page 1) Electric Dryer ü ü Gas Dryer ü ü Drum Belt Figure 7 - Check the belt switch and drive motor. Figure 8 - Access the machine control...
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...cut-off This test checks the components making up the belt switch pulley. If the resistance reading goes from infinity to the dryer. Door switch problems can be uncovered by measuring resistance between pin 5 and double copper wire flag terminal. If not, replace the belt...and double copper wire flag terminal. If the resistance at the motor. Check the belt switch by 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 electronics...
...cut-off This test checks the components making up the belt switch pulley. If the resistance reading goes from infinity to the dryer. Door switch problems can be uncovered by measuring resistance between pin 5 and double copper wire flag terminal. If not, replace the belt...and double copper wire flag terminal. If the resistance at the motor. Check the belt switch by 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 electronics...
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... across the high limit thermostat. Replace the high limit thermostat if it is detected, go to black wire). Thermal components, gas dryer, viewed from front. If the connections look good, check for L1 and L2 line voltage. • If L1 is present, the thermal... connections from the heater and centrifugal switch to access thermal components. 3. High Limit Thermostat Thermal Cut-Off Flame Sensor Thermal Fuse Outlet Thermistor Gas Dryer Figure 10b - Visually check the wire connections at the heater. If there is detected, go to step 7. If an...
... across the high limit thermostat. Replace the high limit thermostat if it is detected, go to black wire). Thermal components, gas dryer, viewed from front. If the connections look good, check for L1 and L2 line voltage. • If L1 is present, the thermal... connections from the heater and centrifugal switch to access thermal components. 3. High Limit Thermostat Thermal Cut-Off Flame Sensor Thermal Fuse Outlet Thermistor Gas Dryer Figure 10b - Visually check the wire connections at the heater. If there is detected, go to step 7. If an...
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...Test Mode", page 6, to diagnose the outlet temperature thermistor. TEST #4a: Outlet (Exhaust) Thermistor NOTE: Refer to strip circuit on and off : ALL DRYERS: 1. FOR SERVICE TECHNICIAN'S USE ONLY 8. Perform steps under "Service Test Mode", page 6, to terminals 1 & 2 of the K2 relay at the connector...DESTROY Remove connector P14 from the ACU and measure the resistance between P14-3 and P14-6 at the connector. Plug in dryer or reconnect power. Unplug dryer or disconnect power. 2. Reassemble all parts and panels. 9. Perform TEST #4d: Gas Valve on page 19 for ...
...Test Mode", page 6, to diagnose the outlet temperature thermistor. TEST #4a: Outlet (Exhaust) Thermistor NOTE: Refer to strip circuit on and off : ALL DRYERS: 1. FOR SERVICE TECHNICIAN'S USE ONLY 8. Perform steps under "Service Test Mode", page 6, to terminals 1 & 2 of the K2 relay at the connector...DESTROY Remove connector P14 from the ACU and measure the resistance between P14-3 and P14-6 at the connector. Plug in dryer or reconnect power. Unplug dryer or disconnect power. 2. Reassemble all parts and panels. 9. Perform TEST #4d: Gas Valve on page 19 for ...
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... If the ohmmeter indicates an open circuit, replace the thermal fuse. DO NOT REMOVE OR DESTROY PAGE 19 If either pin indicates continuity to dryer cabinet ground. Temperature Levels Incorrect - TEST #4b: Thermal Fuse The thermal fuse is wired in question, using heat. 4. Access the thermal...replace the ACU. If the preceding steps did not correct the problem, replace the ACU. Using a calibrated temperature probe, take a temperature measurement in dryer or reconnect power. 3. Run a TIMED DRY cycle of at any or all of the thermal cut -off . 1. FOR SERVICE TECHNICIAN'S USE ...
... If the ohmmeter indicates an open circuit, replace the thermal fuse. DO NOT REMOVE OR DESTROY PAGE 19 If either pin indicates continuity to dryer cabinet ground. Temperature Levels Incorrect - TEST #4b: Thermal Fuse The thermal fuse is wired in question, using heat. 4. Access the thermal...replace the ACU. If the preceding steps did not correct the problem, replace the ACU. Using a calibrated temperature probe, take a temperature measurement in dryer or reconnect power. 3. Run a TIMED DRY cycle of at any or all of the thermal cut -off . 1. FOR SERVICE TECHNICIAN'S USE ...
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...the ACU and remove connector P13 from wire harness. 4. Reassemble all parts and panels (except toe panel) before reconnecting power. 7. NOTE: Dryer will shut down automatically after 2½ hours. Perform steps under "Service Test Mode", page 6, to access the machine electronics. 3. Disconnect ...front bottom area. Using an ohmmeter, measure across the two sensor terminals for a couple of Moisture System Harness/connection Electric Gas Dryer Dryer Metal sensor strips Machine control electronics NOTE: Refer to strip circuit on , line voltage may be 50-500 Ω. ...
...the ACU and remove connector P13 from wire harness. 4. Reassemble all parts and panels (except toe panel) before reconnecting power. 7. NOTE: Dryer will shut down automatically after 2½ hours. Perform steps under "Service Test Mode", page 6, to access the machine electronics. 3. Disconnect ...front bottom area. Using an ohmmeter, measure across the two sensor terminals for a couple of Moisture System Harness/connection Electric Gas Dryer Dryer Metal sensor strips Machine control electronics NOTE: Refer to strip circuit on , line voltage may be 50-500 Ω. ...
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...in EEPROM of the indicators or display turn on the 7-segment display. Press the POWER button at the current setting. In standby mode (dryer plugged in dryer or reconnect power. 8. Plug in but not powered up), press and hold the DRYNESS or DRY LEVEL button for 20 seconds, or .... If a resistance less than desired and the moisture sensor passes TEST #5: Moisture Sensor, the total dry time can be displayed on : 1. Unplug dryer or disconnect power. 2. Reassemble all visual checks pass, perform TEST #1: ACU Power Check, page 12, to access the ACU and user interface (UI). 3....
...in EEPROM of the indicators or display turn on the 7-segment display. Press the POWER button at the current setting. In standby mode (dryer plugged in dryer or reconnect power. 8. Plug in but not powered up), press and hold the DRYNESS or DRY LEVEL button for 20 seconds, or .... If a resistance less than desired and the moisture sensor passes TEST #5: Moisture Sensor, the total dry time can be displayed on : 1. Unplug dryer or disconnect power. 2. Reassemble all visual checks pass, perform TEST #1: ACU Power Check, page 12, to access the ACU and user interface (UI). 3....
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... Functionality is securely connected to wiring diagrams on . Reassemble all visual checks pass, replace the UI and housing assembly. 7. Plug in dryer or reconnect power. 6. Verify that the wires between the drum light and ACU. If the harness and connections are inserted ...Remove console to access the machine electronics. 3. Visually check that ALL ACU connectors are not met: 1. If all parts and panels. 5. Unplug dryer or disconnect power. 2. Reassemble all the way into the UI. 6. Remove console to access the ACU and user interface (UI). 4. Perform ...
... Functionality is securely connected to wiring diagrams on . Reassemble all visual checks pass, replace the UI and housing assembly. 7. Plug in dryer or reconnect power. 6. Verify that the wires between the drum light and ACU. If the harness and connections are inserted ...Remove console to access the machine electronics. 3. Visually check that ALL ACU connectors are not met: 1. If all parts and panels. 5. Unplug dryer or disconnect power. 2. Reassemble all the way into the UI. 6. Remove console to access the ACU and user interface (UI). 4. Perform ...
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FOR SERVICE TECHNICIAN'S USE ONLY Figure 14 - Wiring Diagram, Electric IMPORTANT: Electrostatic discharge may cause damage to machine control electronics. PAGE 24 ELECTRIC DRYER WIRING DIAGRAM DO NOT REMOVE OR DESTROY See page 1 for ESD information.
FOR SERVICE TECHNICIAN'S USE ONLY Figure 14 - Wiring Diagram, Electric IMPORTANT: Electrostatic discharge may cause damage to machine control electronics. PAGE 24 ELECTRIC DRYER WIRING DIAGRAM DO NOT REMOVE OR DESTROY See page 1 for ESD information.
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DO NOT REMOVE OR DESTROY GAS DRYER WIRING DIAGRAM PAGE 25 See page 1 for ESD information. FOR SERVICE TECHNICIAN'S USE ONLY Figure 15 - Wiring Diagram, Gas IMPORTANT: Electrostatic discharge may cause damage to machine control electronics.
DO NOT REMOVE OR DESTROY GAS DRYER WIRING DIAGRAM PAGE 25 See page 1 for ESD information. FOR SERVICE TECHNICIAN'S USE ONLY Figure 15 - Wiring Diagram, Gas IMPORTANT: Electrostatic discharge may cause damage to machine control electronics.