Chamberlain APT, Руководство пользователя

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26
TROUBLESHOOTING GUIDE
THE OPERATOR WILL
NOT RESPOND TO ANY
COMMANDS
POWER LED IS NOT ON
STOP BUTTON LED IS
NOT ON
THE DOOR WILL MOVE
ABOUT A FOOT THEN
STOP. AFTER STOPPING,
ONLY CONSTANT
PRESSURE COMMANDS
WILL MOVE THE DOOR
THE DOOR WILL MOVE
MOST OF THE WAY
TOWARDS A LIMIT THEN
STOP. AN EXTRA OPEN OR
CLOSE COMMAND IS ABLE
TO GET DOOR TO
COMPLETE CYCLE
THE DOOR WILL OPEN
SOME BUT NOT
COMPLETELY. AN EXTRA
OPEN IS ABLE TO GET THE
DOOR TO OPEN
COMPLETELY
THE DOOR WILL OPEN BUT
WILL ONLY CLOSE AFTER
A FIVE SECOND DELAY
WITH CONSTANT
PRESSURE ON THE CLOSE
BUTTON
a) No power supply
➤
Verify primary line voltage from power source.
b) Operator control station is wired wrong
➤
Use the OPEN, CLOSE and STOP LEDs to help check correct wiring.
Verify that the board is accepting commands by using the onboard
station. Green light next to stop button must be on.
c) Interlock switch is activated
➤
Check Interlock(s). If more than one external interlock is present they
must be wired in series.
d) Dial still in programming or diagnostic
➤
Set dial to desired wiring type.
mode
e) Motor is malfunctioning
➤
Verify proper voltage getting to the motor (Check motor name plate).
f) Motor thermal overload tripped
➤
Check for obstructions and verify the door moves freely. Cycle operator
in constant pressure one full cycle open and close to reset fault. Check
to see if motor is hot. Allow motor to cool before attempting to move
door.
g) Failsafe switch is activated requiring
➤
Move switch to non-failsafe or connect a failsafe sensing device.
photo eyes
h) Off Board relay may need to be
➤
When the OPEN or CLOSE button is pressed, Relay A or B LED should
replaced see wiring diagram turn on and the door should move in the corresponding direction. If
Relay A or B lights and the door does not move, off board relay may
need to be replaced (see wiring diagram Off Board Relays).
i) Possible accessory malfunction
➤
Disconnect all devices, reattach them one at a time testing for a failure
after each one is replaced.
j) Possible logic board failure
➤
Replace logic board.
a) Control station not connected or wired
➤
Check wiring to control station.
correctly
b) Interlock switch
➤
Check interlock switch(es) for continuity.
a) The photo eyes, edge or other sensing
➤
If the on board EYES LED is flashing, the photo eyes are misaligned or
device is obstructed or activated not connected. Remove any obstructions, check the safety device wires
for continuity and shorts.
b) The logic board thinks that the direct
➤
Unlearn the photo eyes from the memory by resetting factory defaults.
connect photo eyes are attached and
blocked
c) Failsafe switch set
➤
Slide switch to Non-Failsafe mode.
FAULT POSSIBLE CAUSE FIX
RPM sensor is not connected properly
➤
Check the RPM assembly for loose connections. Check that RPM wheel
or may need to be replaced is turning when operator is running. Check for foreign matter blocking
optical lens.
➤
Replace RPM sensor.
The Maximum Run Timer is not set
➤
Manually reprogram the Maximum Run Timer (page 24).
correctly OR reset the factory defaults (page 25).
There may be a Mid Stop set
➤
Check to see if the Mid Stop LED is on. Clear the Mid Stop by turning
the selector dial to program. Press and hold the MID STOP button for
5 seconds. Return dial to desired wiring type.
a) Loose secondary wiring connections
➤
Repair or replace connections or control transformer.
or a faulty control transformer
b) Logic board failure
➤
Replace logic board.
c) Interlock switch
➤
Check interlock(s).