Zehnder Rittling ComfoClime 24, Service Manual

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EN - 14
4 Error and alarm messages
In this page it is possible to read the messages coming from the unit: errors, alarms, alert, advice.
Each of them is related to the interested device.
The following table lists the error codes that could appear in this page:
Code Component Description Solution
1 Airduino The rotary encoder is set to a forbidden value. Call Zehnder Service
21 CAQ
ComfoAirQ communication error. CAQ not
visible on ComfoNet.
Check that the green LED
on CAQ and Clime is fixed
lit. Try rebooting all the
system. Check that all the
firmwares are up to date.
If not fixed call Zehnder
Service
22 CAQ
Failed to synchronize CAQ comfort
temperature profile
Same as 21
23 CAQ
Failed to synchronize CAQ comfort
temperature value
Same as 21
24 CAQ Failed to set CAQ comfort temperature mode Same as 21
25 CAQ Failed to synchronize CAQ cooling limit Same as 21
26 CAQ Failed to synchronize CAQ heating limit Same as 21
27 CAQ Failed to get ComfoAirQ orientation Same as 21
28 CAQ ComfoAirQ not commissioned
Do the commissioning
procedure on the CAQ
31 HP board Heatpump board communication error
Tryt rebooting the system
or, if not sorted out, Call
Zehnder Service
32 HP board Clime supply temperature probe failed Call Zehnder Service
33 HP board Clime incoil temperature probe failed Call Zehnder Service
34 HP board Clime mixed air temperature probe failed
In ComfoClime36 this
could be due to error 38
35 HP board Clime outcoil temperature probe failed Call Zehnder Service
36 HP board Clime fan error Call Zehnder Service
37 HP board
Clime Compressor driver communication
error
Call Zehnder Service
38 HP board Clime HP data timeout Call Zehnder Service
39 - 47 HP board Reserved for future use
48 Inverter Inverter phase current limit error Call Zehnder Service
49 Inverter Inverter current limit error Call Zehnder Service
50 Inverter Inverter power limit error Call Zehnder Service
51 Inverter gas discharge temperature probe failed Call Zehnder Service
52 Inverter compressor case temperature sensor error Call Zehnder Service
53 Inverter compressor driver PFC error Call Zehnder Service
54-63 Inverter Reserved for future use -
81
Power
Monitor*
Power monitor communication error Call Zehnder Service
*
only for ComfoClime Q