Defective sensor or sensor cable
4
Check the sensor and its cabling.
4
If the fault occurs regularly, please notify customer service.
Alarms 33 to 134
All alarms from 33 to 134 pertain to faulty cabling or defective sensors (sensors for room, out-
door or forward flow temperature) for the heating circuits 1 to 34.
Defective sensor or sensor cable
4
Check the named sensor and its cabling.
4
If the fault occurs regularly, please notify customer service.
Alarms 135 to 151 – The sensor from the boiler x is missing
or defective!
The KWB Comfort 3 can manage a maximum of 17 boilers: The Alarm 135 pertains to the boil-
er 0, the Alarm 151 pertains to the boiler 16. However, the system continues to run.
Defective sensor or sensor cable
4
Notify customer service.
Alarms 152 to 185 – The sensor 1 (2) from the buffer x is
missing or defective!
The KWB Comfort 3 can manage 2 sensors each in a maximum of 17 buffers: The Alarm 152
pertains to the sensor 1 in buffer 0, the Alarm 153 pertains to the sensor 2 in in buffer 0 … and
the Alarm 185 pertains to the sensor 2 in buffer 16. However, the system continues to run.
Defective sensor or sensor cable
4
Notify customer service.
Alarm 187 – Network error on the boiler module 2!
The system will be switched off.
Communication problem between boiler control unit and boiler board
4
Notify customer service.
Alarms 188 to 203 – Network error on the heating circuit
module x!
The KWB Comfort 3 can manage a maximum of 16 heating circuit expansion modules:
• KWB Classicfire, KWB Easyfire, KWB Multifire: The Alarm 188 pertains to the module 1,
the Alarm 203 pertains to the module 16.
• KWB Powerfire: The Alarm 188 pertains to the module 3, the Alarm 203 pertains to the
module 18.
However, the system will continue to run.
8.2.29
8.2.30
8.2.31
8.2.32
8.2.33
8
Troubleshooting
The alarm list
58
B KWB Easyfire EN, 05.2011
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