Chamberlain LA412 - TROUBLESHOOTING; MORE DIAGNOSTIC CODES

39
TROUBLESHOOTING
DIAGNOSTIC CODES continued...
Some codes are saved in the code history and some are not. If a code is not saved it will briefly appear on the display as it occurs, then disappear.
Code Meaning Solution Saved
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 Check wired input on main control board; check for alignment or
obstruction.
YES
62 CLOSE EDGE held more than 3 minutes
63 OPEN EYE/EDGE held more than 3 minutes
64 CLOSE EYE/INTERRUPT held more than 3 minutes Check wired input on expansion board; check for alignment or
obstruction.
YES
65 CLOSE EYE/EDGE held more than 3 minutes
66 OPEN EYE/EDGE held more than 3 minutes
67 Wireless edge triggered more than 3 minutes Check wired input for wiring issue or obstruction. YES
68 Wireless edge loss of monitoring Check wireless edge inputs. YES
69
Wireless edge triggered IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check inputs and wiring.
NO
70
CLOSE EYE/INTERRUPT triggered, causing
reversal, preventing close, or resetting TTC
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring on main control board.
NO
71
CLOSE EDGE triggered, causing reversal,
preventing close, or canceling TTC
72
OPEN EYE/EDGE triggered, causing reversal or
preventing opening
73
CLOSE EYE/INTERRUPT triggered, causing
reversal, preventing close, or resetting TTC
IF an obstruction occurred, no action required. If an obstruction did
NOT occur, check alignment, inputs, and wiring on expansion board.
NO
74
CLOSE EYE/EDGE triggered, causing reversal and
preventing close or canceling TTC
75
OPEN EYE/EDGE triggered, causing reversal or
preventing opening
80
Close input (EYE/EDGE) communication fault from
other operator
Check inputs and communication method between operators, either
wired bus or radio. Ensure operator is powered. May have to erase the
wireless communication and reprogram the two operators.
YES
81
Open input (EYE/EDGE) communication fault from
other operator
82
Close input (EYE/EDGE) communication fault
(expansion board)
Check the connections between the main board and the expansion
board.
YES
83
Open input (EYE/EDGE) communication fault
(expansion board)
91
Force Reversal (Operator 1) Check for obstruction. If no obstruction, check that the mechanical
assembly is engaged and free to move. See section on Limit and Force
Adjustment, and Obstruction Test.
YES
92
Force Reversal (Operator 2)
93
RPM / STALL Reversal (Operator 1) Check for obstruction. If no obstruction, check the operator wiring and
that the mechanical assembly is engaged and free to move. Replace
APE assembly.
YES
94
RPM / STALL Reversal (Operator 2)
99 Normal Operation
No action required YES
LiftMaster System Installed System Informational
External Entrapment
Protection
Inherent Entrapment
Protection