Dc Motors - Chamberlain LA500U Troubleshooting Manual

To protect against fire and electrocution:
• DISCONNECT power (AC or solar and battery) BEFORE installing or servicing operator.

DC MOTORS

SYMPTOM:
The motor will not run.
CHECK THE MOTOR:
Disconnect ALL power from operator. Disconnect the gate from the operator.
12V MOTOR
DIAGNOSTICS
MOTOR
Connect the battery to the motor
2
harness as shown.
SOLUTION:
If the motor did not run, replace the motor.
BASIC TROUBLESHOOTING
Disconnect the motor
1
harness from control
board.
Jumper Cables
24V MOTOR
DIAGNOSTICS
1
MOTOR
Connect the batteries to the motor
2
harness as shown.
7
Disconnect the motor harness
from control board.
Jumper Cables
BATTERIES