47
7638897 - v0
2
- 14032016
10 Troubleshooting
Code
Description
Corrective action
P4
Protection against overloads on
the compressor (ten seconds after
switching on the compressor, the
current overload control starts up).
1) The compressor only is running:
if the current load is > 7 A, the
compressor is shut down and the
protection activated.
2) The compressor and the electric
resistor are running: if the current load is
> IEH + 7, the compressor is shut down
and the protection activated.
Load value when the compressor and
the electric water heater start up at the
same time:
14 A (1550-W electric water heater).
Check that the compressor is not damaged.
LA
When the ambient temperature T4
falls outside the heat pump operating
range (5~43C°), the heat pump shuts
down. The appliance displays “LA” in
the clock position on the display until
the temperature T4 again falls within
the range 5~43C°.
This scenario is normal. It is not necessary to run repairs/
