1.
There is supply voltage (tripped fuse, power failure).
2.
The operating switch on the wired controller is switched on, and whether the correct set point
temperature has been set.
The set temperature level cannot be reached. Please
check whether:
3.
The permissible operating conditions for the heat pump have been adhered to (air temperatures
too high or too low).
4.
The air inlet or outlet area is blocked, restricted or very dirty.
5.
There are closed valves or stop-cocks in the water pipes.
The scheduled timer does work but the programmed actions are executed at the wrong time (e.g. 1 hour
too late or too early).
Please check whether:
6.
The clock and the day of the week are set correctly, adjust if necessary.
If you cannot correct the fault yourself, please contact your after-sales service technician. Work
on the heat pump may only be carried out by authorized and qualified after-sales service
technicians.
10.
WIRING DIAGRAM
Please refer to the wiring diagram on the electric box.
Model: EBP08WZR/ EBP12WZR/ EBP015WZR/ EBP23WZR /
EBP29WZR / EBP34YZR
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