Owners manual

38
TROUBLESHOOTING
ERROR CODES continued...
Some errors are saved in the error code history and some are not. If an error is not saved it will briefly appear on the error code display as it occurs,
then disappear.
Code Error Meaning Solution Saved
31
Control board has experienced an internal failure. Disconnect all power, wait 15 seconds, then reconnect power (reboot).
If issue continues, replace control board.
NO
32 Linear Drive Disengaged (Arm 1) Disengage then re-engage arm, check wiring and connections. YES
33 Linear Drive Disengaged (Arm 2) Disengage then re-engage arm, check wiring and connections. YES
34
Absolute Position Encoder Error, not getting
position information from encoder
Check the operator cable connections, then reprogram the limits. YES
35 Max-Run-Time Exceeded Error Check for an obstruction, then reprogram the limits. YES
36
Product ID Error Was the control board just replaced? If so, erase limits, enter limit
setup mode and set limits. If not, disconnect all power, wait 15
seconds, then reconnect power before changing product ID harness.
YES
37
Product ID Failure Unplug product ID harness then plug back in. Disconnect all power,
wait 15 seconds, then reconnect power before replacing product ID
harness.
YES
38
Hard Stop Limit (Arm 1) Limit may be set too tightly against a non-resilient hard stop (re-adjust
limit). Operator may be at end of travel (re-adjust mounting).
NO
39
Hard Stop Limit (Arm 2) Limit may be set too tightly against a non-resilient hard stop (re-adjust
limit). Operator may be at end of travel (re-adjust mounting).
NO
40
Battery overvoltage Too much voltage on the battery. Check harness. Make sure you do
NOT have a 24V battery on a 12V system.
YES
41
Battery overcurrent Possible short of the battery charge harness. Check harness. Make
sure you do NOT have a 12V battery on a 24V system.
YES
42
No battery at boot up Check battery connections and installation. Replace batteries if
depleted to less than 10V on 12V system.
YES
43
Loop Error - Failure or missing exit loop (SHORT
or OPEN - LiftMaster Plug-in Loop Detector only)
Check loop wiring throughout connection. May be a short in the loop,
or an open connection in the loop.
YES
44
Loop Error - Failure or missing shadow loop
(SHORT or OPEN - LiftMaster Plug-in Loop
Detector only)
Check loop wiring throughout connection. May be a short in the loop,
or an open connection in the loop.
YES
45
Loop Error - Failure or missing interrupt loop
(SHORT or OPEN - LiftMaster Plug-in Loop
Detector only)
Check loop wiring throughout connection. May be a short in the loop,
or an open connection in the loop.
YES
46 Wireless edge battery low Replace batteries in wireless edge. YES
51
Pass-point not detected (Arm 1) Check yellow pass-point wiring. If limits are not accurate, reprogram.
Rarely, may be standard operation.
NO
52
Pass-point not detected (Arm 2) Check yellow pass-point wiring. If limits are not accurate, reprogram.
Rarely, may be standard operation.
NO
53
Brownout occurred AC/DC board supply dipped below allowable level. Review power
supply and wiring. If rebooting, ensure enough time for discharge of
power to force a fresh boot.
YES
54
Wireless Second Operator Communication Error Check the second operator for power. If OFF, restore power and try to
run the system. If powered, deactivate the wireless feature and then
re-learn the second operator.
YES
60
Minimum number of monitored entrapment
protection devices (one) not installed.
Review monitored entrapment protection device connections. NO
61
CLOSE EYE/INTERRUPT held more than 3 minutes
(main board)
Check CLOSE EYE/INTERRUPT input on main board; check for
alignment or obstruction.
YES
62
CLOSE EDGE held more than 3 minutes (main
board)
Check CLOSE EDGE input on main board; check for alignment or
obstruction.
YES
63
OPEN EYE/EDGE held more than 3 minutes (main
board)
Check OPEN EYE/EDGE input on main board; check for alignment or
obstruction.
YES