Chamberlain LA500 Installation Manual page 41

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
OPEN EYE/EDGE held more than 3 minutes
66
(expansion board)
67 Wireless edge triggered more than 3 minutes
68 Wireless edge loss of monitoring
Wireless edge triggered
69
CLOSE EYE/INTERRUPT triggered, causing
70 reversal, preventing close, or resetting TTC (main
board)
CLOSE EDGE triggered, causing reversal,
71
preventing close, or cancelling TTC (main board)
OPEN EYE/EDGE triggered, causing reversal or
72
preventing opening (main board)
CLOSE EYE/INTERRUPT triggered, causing
73 reversal, preventing close, or resetting TTC
(expansion board)
CLOSE EYE/EDGE triggered, causing reversal and
74 preventing close or cancelling TTC (expansion
board)
OPEN EYE/EDGE triggered, causing reversal or
75
preventing opening (expansion board)
Close input (EYE/EDGE) communication fault
80
(secondary control box)
Open input (EYE/EDGE) communication fault
81
(secondary control box)
Close input (EYE/EDGE) communication fault
82
(expansion board)
Open input (EYE/EDGE) communication fault
83
(expansion board)
Force reversal (Arm 1)
91
Force reversal (Arm 2)
92
RPM / STALL Reversal (Arm 1)
93
RPM / STALL Reversal (Arm 2)
94
99 Normal Operation
TROUBLESHOOTING
Solution
Check wired input on expansion board; check for alignment or
obstruction.
Check wired input for wiring issue or obstruction.
Check wireless edge inputs.
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check inputs and wiring.
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring.
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring.
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring.
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring.
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring.
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring.
Check the connections between the main board and the secondary
operator.
Check the connections between the main board and the secondary
operator.
Check the connections between the main board and the expansion
board.
Check the connections between the main board and the expansion
board.
Check for obstruction. If no obstruction, check that the operator arm is
engaged and free to move. Refer to Limit and Force Adjustment
section, and Obstruction Test.
Check for obstruction. If no obstruction, check that the operator arm is
engaged and free to move. Refer to Limit and Force Adjustment
section, and Obstruction Test.
Check for obstruction. If no obstruction, check the operator cable
wiring and that the operator arm is engaged and free to move. Replace
the operator arm if necessary.
Check for obstruction. If no obstruction, check the operator cable
wiring and that the operator arm is engaged and free to move. Replace
the operator arm if necessary.
No action required
39
Saved
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES