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36 Installation and Operating Instructions, Comfort 257.2 GB (#99737)
Malfunctions with error messages
Error Cause Solution
Message 3 - CESD testing in OPEN direction was
activated.
- Check the door and remove any obstacles.
Message 5 - CESD testing in CLOSED direction was
activated.
- Check the door and remove any obstacles.
Message 7 - If no buttons are pressed within 120 seconds, the programming mode terminates automatically.
- OPEN and CLOSED door positions programmed without passing the reference point.
Message 8 - Reference point button defective. - Have the operator system checked.
10.5 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 8.2):
remove the cable from socket XB02, insert the shorting plug 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.
- The hand transmitter coding does not
correspond to the receiver coding.
- Activate hand transmitter again (Section 8.5).
- Hand transmitter battery is empty. - Insert new battery (Section 7.1).
- Defective hand transmitter, control unit
electronics or module antenna.
- Have all 3 components checked.
Operator reverses when the door
frame photocell is interrupted.
- The programming of the photocell in
the door frame area was not
performed correctly.
- Carry out a reset of the control (Section 9.4 / Level 1 / Menu F8),
repeat express programming again (Section 8.5).
Malfunctions without error messages
10. Messages
36


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