18
Section 6: Troubleshooting
Status LED’s
STATUS INDICATION
ON — Impending Operation Warning delay is timing. Output is active.
OFF —
Impending Operation Warning delay is not timing. Output not active.
ON — Timer Close Module has power.
OFF — No power to the Timer Close Module.
ON — Timer Close delay is timing or pending
OFF — No Timer Close delay in progress
ON — Timer Close Module is functioning normally.
OFF — Timer Close Module is not functioning normally.
ON — Timer Close Module delay is pending but holding.
OFF — Timer Close Module delay is not holding.
Troubleshooting Guide
PROBLEM INDICATION CHECK
1. TCM has no power. +24V LED is OFF. 1. Check power to the operator.
2. Check that TCM ribbon cable is
connected to the operator control board
or another accessory module that is connected
to the o
perator control board..
3. Check fuse F2 on the operator control board.
4. Contact the factory.
2. TCM is not +24 V LED is ON. 1. Check that TCM ribbon cable is
functioning properly. TCM OK LED is OFF. connected to the operator control board
or another accessory module that is connected
to the operator control board.
2. Check that operator display is working
normally and not indicating a
system problem.
3.Turn power to the operator off, then back on.
4. Contact the factory.
Troubleshooting Guide
(
cont’
)
PROBLEM INDICATION CHECK
3. I/O Warning Device I/O WARN LED is ON 1. Check wiring between the warning device and the
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2. Check power to the Warning Device.
3. Check Warning Device operation.
4. Go to #2.
4. I/O Warning Device I/O WARN LED is OFF 1. If TMR HOLD LED is on, go to #6.
won’t work. 2. If TMR RUN LED is off, go to #5.
5. TCM will not start a TMR RUN LED is OFF 1. If TMR HOLD LED is on, go to #6.
timer cycle.
2. Check that activation device(s) will open the door.
3. Check that the Timer Close feature for the activation
device is turned “ON” using the operator keypad and
display (see sec
tion 5).
4. Go to #2
6. TCM starts a timer cycle TMR RUN LED is ON 1.Check that one or more devices set to start the Timer
but won’t close door. TMR HOLD LED is ON cycle is not active.
2. Check that one or more reversing devices is not
signaling an obstruction.
3. Check that Timer Hold input is not active.
4.
Attempt to close the door using the Close keypad key.
If the operator fails to close— or closes and
then reverses, the Error Code will indicate which
device may be holding the Timer operation
3. Go to #2.
7. TCM starts a Timer cycle. TMR RUN LED was 1. STOP wall button or STOP keypad key was/is active.
but won’t close door. ON, but is now off.
TMR HOLD LED is OFF
2. Go to #2.
8. Can’t turn
Timer Close On Calibration 1. One of the following reversing devices must be
feature “ON” for a display, the feature turned “ON” in Calibration Mode before you can
given input. will not toggle from turn the Timer Close feature “ON.” ODC STB
“OFF” to “ON” when (Monitored Series II Photocells “_” on operator
Set/Clear key control board), MON. EDGE (Monitored Edge
is pressed. Sensor) or N-C SAFETY (Normally-Closed Reversing
Input). (see section 5).
2. Go to #2.
9. Door reverses on +24 V LED is OFF. 1. Check operator display. The Error Code should
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2.TCM is not functioning. If reversal is caused by an
input to the TCM or a faulty
TCM, normal door
operation (except Timer Close), can be restored by
turning off Monitored Edge Sensor (MON. EDGE)
and Normally Closed Reversing Input (N-C SAFETY)
in Calibration Mode (see section 5.)
3. Or go to #1.
Fig. 6A
I/O
WARN
+24V
TMR
RUN
TCM
OK
TMR
HOLD