34 Manual for installation and operation, Comfort 211 GB (#72752)
10. Messages
10.3 Rectifying faults
Error Cause Solution
LED 8 does not light up. - No voltage. - Check that the mains power supply is operational.
- Check the connection to the mains power supply.
- Thermal overload protection in power
transformer was activated.
- Allow the power transformer to cool down.
- Defective control unit. - Have the operator system checked.
No reaction on impulse. - The connection terminals for the
“impulse” button were by-passed,
e.g. due to a short-circuit or flattened
terminals.
- Try temporarily disconnecting any key switches or interior
push buttons that are connected to the control unit
(Section 6.7): remove the cable from socket XB10, insert
the shorting plug (C) and look for cabling errors.
No reaction on impulse from
hand transmitter.
- Module antenna is not plugged in. - Connect the module antenna to the control unit
(Section 8.1).
- The hand transmitter coding does not
correspond to the receiver coding.
- Check coding (Section 8.5.3).
- Activate hand transmitter again (Section 8.5.3).
- Hand transmitter battery is empty. - Insert new 3V CR 2032 battery (Section 7.1).
- Defective hand transmitter, control
unit electronics or module antenna.
- Have all 3 components checked.
10.3.1 Malfunctions without error messages
Legend:
LED off
LED on
LED flashes slowly
LED pulses
LED flashes quickly
Factory default setting
Not possible
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