Error
number
Indicator LED
Cause of error
Effect
No. 1
No. 2
4
flashing (red)
Temperature sensor on evaporator
disconnected.
Compressor is switched off.
5
flashing (red)
First pressure switch error message
Compressor is switched off and
restarts automatically once the
error is rectified. Acknowledge
the error message to dismiss it.
6
flashing (red)
Second pressure switch error message Compressor is switched off and
will restart only after the error has
been rectified and acknowledged
and the calorifier/heat pump has
been reset.
9
–
–
–
10
flashing (red)
The target temperature for the
protection against Legionella function
has not been reached.
Information
7.
Fault determination
You can minimise the risk of a fault occurring by signing
up to a maintenance contract. Should something goes
wrong despite this, go through the fault checklist below.
Make sure that you have complied with the instructions in
the manual.
If you are unable to rectify the fault with the aid of the
checklist, please contact Hoval Customer Service.
Type CombiVal WPE, WPER
Fault
Cause
Remedy
Alarm message in display
See error display
•
See error display
Electrical fault
No display
•
No power to the plug
•
Main switch turned off
•
Replace fuse
•
Turn on the main switch
Electrical heating does not heat
despite being switched on
•
Overheating
•
Electrical connection faulty
•
Reset safety thermostat
•
Replace
Electrical heating does not heat
although the function is switched on
•
Electrical connection faulty
•
Pump faulty
•
Pump blocked
•
Replace
•
Replace
}
Inspection by heating
engineer
•
Boiler not in standby position
•
Check standby position, prepare
Fault no. 5 or 6
•
High-pressure fault
•
Clean
11
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FAULT DeTerMInATIOn