LiftMaster SL585UL Installation Manual - Page 43

Operator Alarm, If a contact sensor detects an obstruction twice consecutively the alarm

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TROUBLESHOOTING Operator Alarm If a contact sensor detects an obstruction twice consecutively the alarm will sound (up to 5 minutes) and the operator will need to be reset. When the inherent force of the operator (RPM/current sensor) detects the following (twice consecutively) the alarm will sound (up to 5 minutes) and the operator will need to be reset. A. The gate is hitting a wall or vehicle. B. The gate does not meet specifications. C. Debris is on the gate's track such as mud, rocks, dirt, etc. D. The gate has one or more broken axles or wheels. E. The gate wheel is off the gate rail. Remove any obstructions. Press the reset button to shut off the alarm and reset the operator. After the operator is reset, normal functions will resume. 43

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43
Operator Alarm
If a contact sensor detects an obstruction twice consecutively the alarm
will sound (up to 5 minutes) and the operator will need to be reset.
When the inherent force of the operator (RPM/current sensor) detects the
following (twice consecutively) the alarm will sound (up to 5 minutes)
and the operator will need to be reset.
A.
The gate is hitting a wall or vehicle.
B.
The gate does not meet specifications.
C.
Debris is on the gate's track such as mud, rocks, dirt, etc.
D.
The gate has one or more broken axles or wheels.
E.
The gate wheel is off the gate rail.
Remove any obstructions. Press the reset button to shut off the alarm and
reset the operator. After the operator is reset, normal functions will
resume.
TROUBLESHOOTING