LiftMaster MJ Support Question
LiftMaster MJ Support Question
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Question posted by leexue on January 17th, 2016
Lift Master Motor Stop Running And The Switch Light Is Off.
lift master motor stop running and the switch light is off.
Current Answers
Answer #1: Posted by waelsaidani1 on January 17th, 2016 2:31 AM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,797
Member since:
May 12th, 2013 Points: 19,501,797
The limit adjustments are accessed through the cover or end panel of your garage door opener by using a flat head screwdriver. Refer to your owner´s manual for the exact location on your specific model.
Each adjustment screw attaches to an individual switch, one for up and one for down. Increasing the down, for example, allows the motor to run longer, moving the trolley farther down the rail, and consequently lowering the door onto the floor. Decreasing the down acts in reverse. The more you decrease, the less time the motor runs, therefore stopping the trolley and the door before it completely closes.
This same principle applies to the up travel adjustment. Turn the screw towards the increase and the door will open farther. Turning the screw towards the decrease button will have the opposite effect.
Things to remember during this adjustment phase:
- One complete turn of the adjustment screw is equivalent to approximately 2 inches of travel.Turning the adjustment screw the direction of the arrow always increases travel. Turning it the opposite of the arrow decreases travel.The motor may overheat and shut off with repeated operation. Simply wait at least 30 minutes and try again.Always test the safety reverse system after adjusting the opener. We recommend repeating this test monthly.
Related LiftMaster MJ Manual Pages
MGJ User's Guide Manual - Page 2
... ^^^^
R27
TTC 1
C18
D14
LEARN STOP CLOSE OPEN
LED
2
3
4
5
6
7
K2 LT
C29 R24 P1
D9
LMEP1 LMEP2 COM INTRLK STOP CLOSE OPEN
LEARN STOP CLOSE OPEN LEDD14
1
2
3
4
5
6
7
2
Turn power OFF and ON to close.
• Open override that reverses when closing by any opening device.
• Wiring for safety device to close limit switch.
The operator will continue to...
MGJ User's Guide Manual - Page 4
...
AAUUX AANNTT J2
L5 ^^^^
R27
TTC 1
C18
D14
LEARN STOP CLOSE OPEN
LED
2
3
4
5
6
7
K2 LT
C29 R24 P1
D9
LMEP1 LMEP2 COM INTRLK STOP CLOSE OPEN
LEARN STOP CLOSE OPEN LEDD14
1
2
3
4
5
67
MEP1 LMEP2 COM INTRLK STOP CLOSE OPEN
NOTICE: To comply with door in fully closed position. 2.
Operation is running.
Begin with FCC and or Industry Canada (IC) rules...
MGJ User's Guide Manual - Page 5
... will
Door
open door falling rapidly and/ or unexpectedly. • NEVER use emergency release handle to trolley. The disconnect chain must be locked in case of emergency or power failure. Arm
Lift free end of door arm to disengage trolley
ONLY when door is clear of persons and obstructions. M A N U A L D I S C O N N E C T ( M O D E L S M T / BWMATRN& INMGH )
The operators have...
MGJ User's Guide Manual - Page 8
...ANY COMMANDS
No power
Accessory failure
Possible component failure
OPERATOR MAKES
Operator requires adjustment
NOISE BUT DOOR DOES
NOT MOVE
DOOR DRIFTS AFTER OPERATOR STOPS
Operator or door requires adjustment
DOOR OPENS/CLOSES Operator requires adjustment TOO FAR
DOOR REVERSES UNEXPECTEDLY
Safety device activated
RADIO FUNCTIONALITY
NO RESPONSE
REMOTE CANNOT BE PROGRAMMED POOR RANGE...
MGJ User's Guide Manual - Page 12
...clip.
333LM
OPEN
3-Button Tri-Colored Dip Switch Remote Control:
Includes visor clip. CPS-L
Non-Monitored 65-8202
Commercial Protector SystePmRE®SS:
TO
OPEN
Provides protection on doors up
to ...used with EXT-ANT for control wiring.
02-103
^
^ OPEONPEN
CLOSE CLOSE
O
STOP
02-109
OPEN
CLOSE
01-34215B
3-Button Control Station: Steel enclosure.
21-2LM
Key Control Station: ...
MJ5011E QuickStart-2008 Manual - Page 1
..., installer and end user to the operator BEFORE manually operating your door. c The disconnect chain must be locked in the electrical box enclosure. Follow ALL local electrical codes.
11 Adjust the limit switches to open and close to highlight a typical installation. b The door may be pushed up /pull-down manually. Tighten clutch nut gradually...
MJ5011E QuickStart-2008 Manual - Page 2
... timer setting.
Example: 30 second TTC = 6 presses of the next open command. QuickStart for the model MJ/MH/MHS door operator Medium Duty Logic
This QuickStart is intended to program additional buttons.
TO PROGRAM 1. Press and hold the LEARN button (LED will light.) 2. Press and release the TTC button. 3. Press and release the TTC...
MJ5011E Installation-2008 Manual - Page 5
...
For MH and HMS models with : Master links (2),
wall bracket (1), Fastener Bag (1)
WARNING
PREPARATION
WARNING
PREPCARAINUG TYOIUORNDOOR
The manufacturer recommends 3' (91.4 cm) of clearance in the door opening, hook the chain off to remain functional, install an
interlock switch. • ALWAYS call a trained professional door serviceman if door
binds, sticks or is indicated by last...
MJ5011E Installation-2008 Manual - Page 10
... capacity.
• ALL electrical connections MUST be made by a qualified individual.
• DO NOT install ANY wiring or attempt to run in separate conduit. The operator should be visible and clearly labeled.
• ALL power and control wiring MUST be properly grounded and ... power on until disconnecting the electrical power and locking-out the power via the operator power switch.
MJ5011E Installation-2008 Manual - Page 19
... OPEN
NOTICE: To comply with door in fully closed position. 2. Operation is running. TIMER TO CLOSE (TTC)
Timer to Close feature enables the operator to the following two conditions: (1) this device may cause undesired operation. TO PROGRAM 1. Begin with FCC and or Industry Canada (IC) rules, adjustment or modifications of the STOP button will light...
MJ5011E Installation-2008 Manual - Page 22
... and Open the door.
B) Remote control not compatible ➤ Obtain qualified LiftMaster remote control device.
F) Accessory failure
➤ Attempt to close by holding the CLOSE button for proper operation. B) Brake not releasing (if present) ➤ Verify brake assembly operation and wiring.
THE WRONG DIRECTION connection reversed
DOOR DRIFTS AFTER OPERATOR STOPS
A) Door not...
MJ5011E Installation-2008 Manual - Page 23
... flash 7 times when power is applied or cycled to install external door interlock. Interlock
Brown** Brown**
Orange Purple Yellow
Grey
Safety Limit Switch
Open Limit Switch
Grey
Close Limit Switch
23
AANTUX ANT
J2
TTC
LEARN STOP CLOSE OPEN LED
1
2
3
45
6
7
LMEP1 LMEP2 COM INTRLK STOP CLOSE OPEN
OPEN CLOSE STOP
Remove Jumper to the operator. (Not a logic board failure.)
DIAGRAM...
MJ (BLACK LINE) Manual - Page 3
...door lock needs to remain functional, install an interlock switch.
• ALWAYS call a trained professional door serviceman if door binds, sticks or is out of door, and in the door opening...angle iron frames to avoid entanglement. Shaft Support Bracket with Bearing (Not Provided) Door Sprocket
5-1/2" (13.97 cm)
All MJ, MH, and HMJ series operators have dual output shafts and may not reverse ...
MJ (BLACK LINE) Manual - Page 6
... cord or take-up the door opening .
4.
See field connection terminals identified as described below . Adjust open limit nut so that actuator is used. Reversing devices are compatible with the edge.
Repeat Steps 1 and 2 for close limit nut so that door will stop in accordance with
adjustments. Proceed with Limit Switch Adjustments before proceeding with local...
MJ (BLACK LINE) Manual - Page 7
...will cause the motor to rotate in the wrong direction (open when CLOSE button is of the cover) for all power and control wiring connections and have completed the limit switch adjustment procedure. ...• DO NOT install ANY wiring or attempt to run in separate conduit.
• To avoid damage to door and operator, make ALL door locks inoperative.
Knockouts for your unit. Operator MUST be ...
MJ (BLACK LINE) Manual - Page 9
... or garage door:
• ALWAYS keep gate or garage door in the electrical enclosure as desired (but so that the door will then open door, and reverse a closing door from
the radio transmitter. Use 16 gauge wire or larger for all models with a normally (N.O.) isolated output contact may result in parallel with connections for an external interlock switch. CONTROL...
MJ (BLACK LINE) Manual - Page 12
... ROTATION INTERCHANGE
RED AND YELLOW MOTOR WIRES. MOTOR *
L2
BK
OPEN-A
Y
CAPACITOR
R
O/L BK L1
BR
R BK
CLOSE-C
OPEN-C
BRAKE SOLENOID
BL/BK
WIRE NUT
PR1.
3 STOP
4
Y (WHEN PRESENT)
MOVE JUMPER WIRE TO TERMINAL #2
HAND CHAIN INTERLOCK SW.
10VA.
Y
R3
SEC. OPEN
OR
1
SAFETY
AUX. BOARD
(When Present)
54 3 2 1
OR
OP
Y
W
PULL SWITCH
TO
OPEN & CLOSE 7
Y R2 Y
AUX...
MJ (BLACK LINE) Manual - Page 13
... MOTOR DIRECTION INTERCHANGE RED & YELLOW WIRES.
INTERLOCK SWITCH (WHEN SUPPLIED) WIRED N.O. P
CLOSE
N.C. Momentary Contact to Close RED WIRE ON TERMINAL #12 (Shipped from Factory
CLOSE CONTROL WIRING OPTIONS
*C2 WIRING -
Y
Y
CAPACITOR
R
R
W
PRIMARY
BK
XFMR
Y
SECONDARY
** Y INTLK. Y
COM
N.O. BOARD
(When Present)
OPEN CLOSE STOP
RATED LINE VOLTAGE
PULL SWITCH TO OPEN...
MJ (BLACK LINE) Manual - Page 17
...LH Electrical Box HMJ5025R, 230V RH Electrical Box HMJ5025L, 230V LH
Motor - Clutch Spring Disconnect Spring Hoist Spring Clutch Disc Chain Wheel Assembly... Links with Master Chain, #48x43 Links with Master Key 1/4"x1-1/2" Roll Pin 5/16x2" E-Ring, 1" Plated
K75-12587 · MJ DISCONNECT SERVICE... Support Bracket Yoke Disconnect Lever Interlock Switch Actuator Disconnect Shaft Sash Chain, 12...
MJ (BLACK LINE) Manual - Page 24
... and test each one after it is Used
4
5
4
5
Timer Defeat Switch
Power Supply for all control circuit wiring.
3 BUTTON STATION or 3 POSITION KEYSWITCH w/ SPRING RETURN TO CENTER AND STOP BUTTON
STANDARD 1234
2 OR MORE 1234
KEY LOCKOUT 1234
Open Close Stop
Open Close Stop
Open Close Stop
Open Close Stop Keyswitch
ALL CONTROL WIRING TYPES
ALL CONTROL WIRING TYPES
2 BUTTON...
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