18
TROUBLESHOOTING
9. TROUBLESHOOTING
Symptom
Possible reason
Possible solution
Operator does not run
No power supply / Blown fuse
Turn power on / Change the fuse
Remote control does not run
Remote control isn’t recorded in the receiver
memory / Remote control battery has discharged
Record the remote control / Change the battery
Remote control actuation distance is too
small
Remote control battery has discharged / Interfering
signal
Change the battery /Remove the interfering signal
Chain moves but the door does not move
Carriage is disengaged / Carriage isn’t hooked with
chain support
Engage the carriage / Hook it with chain support
Noise when operator runs
Chain is not properly lubricated
Lubricate the chain
Noise during chain operation, sagging
chain
Long operation of non-lubricated chain
Tighten the chain using the chain-tensioning screw,
lubricate the chain
The door has suddenly stopped, «F»
indicator is on
The door ran into an obstacle
Remove the obstacle / Check door mechan-
ics / Change pulse sensor
When giving a controlling command there
are two beeps, the door does not move,
the display blinks «P»
Safety devices were actuated
Free the opening from obstacles / Check the opera-
tion of safety devices
The door has suddenly stopped, «С»
indicator is on
Insufficient supply voltage
Verify the power supply corresponds to the declared
characteristics
The program does not exit the setting of
the door lower position
The reference point fails during programming
Eliminate the cause of the reference point failure
The door has suddenly stopped, «E»
indicator is on
Encoder signal is missing
Contact the service center
When giving a controlling command there
are two beeps, the door does not move,
the display blinks «S»
Open wicket sensor was actuated
If there is no open wicket sensor, check for a jumper
in the GND — STOP terminal
NOTE:
In the process of door movement «L» indicator is on meaning the door synchronization microswitch (reference point
microswitch) was actuated. This indicator does not mean the operator failed.
that can significantly affect the service life and quality of work of the whole entrance group or its component parts (including
automation).
