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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.
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