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Troubleshooting (continued)
Display
Code
Message
F04
F04
UNAUTH.
STOP
(continued)
Description
No motor motion
was detected when
the operator was
attempting to move the
motor.
Possible Causes Diagnosis
Door encountered
Check doorway
obstruction or
for obstruction.
other mechanical
Check to ensure the
jam
mechanical system
moves properly and
without hangups or
excessive resistance.
Motor cable is
Check that motor
disconnected or
cable is plugged into
wiring fault
the powerhead main
board completely.
Ensure that motor
cable is intact and in
good condition.
58
Resolution
Remove obstruction
Ensure motor connector
is fully seated.
Repair any problems
with the cabling.
If cabling is beyond
repair, replace motor.
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