6.2018
57
Error
Description
of error
Reason for the error
Procedure to resolve the
error
Check,
resolve the
error
LpHeat.
Low pressure
in the cooling
system in
heating mode.
Insufficient air flow
through the evaporator.
Frozen blades of the
evaporator and basin.
1.
Check the operation of the
fan on the heat pump,
The user
2.
enable unobstructed air
flow through the
evaporator.
3.
check the condenser drain
4.
Activate manual defrost
but no more than two
times.
Installer
5.
check the heating cable
operation.
Insufficient water flow
through the evaporator.
Water-water:
1.
Check the heat source
whether the heat pump is
operational, whether all
valves or flaps are
correctly opened/closed,
whether there is enough
ground water,
The user
2.
clean the strainer.
Earth-water:
1.
Check the heat source
whether the circulation
pump is operational,
whether all valves or flaps
are correctly
opened/closed, whether
there is enough antifreeze
in the heat source,
The user
2.
clean the strainer.
LpDHW
Low pressure
in the cooling
system in
heating DHW.
Insufficient air flow
through the evaporator.
Frozen blades of the
evaporator and basin.
1.
check the condenser drain
The user
2.
Activate manual defrost
but no more than two
times.
3.
check the heating cable
operation.
Installer
Insufficient water flow
through the evaporator.
Water-water:
1.
Check the heat source
whether the heat pump is
operational, whether all
valves or flaps are
correctly opened/closed,
whether there is enough
ground water,
The user
2.
clean the strainer.
Earth-water:
1.
Check the heat source
whether the circulation
pump is operational,
whether all valves or flaps
are correctly
opened/closed, whether
there is enough antifreeze
in the heat source,
The user
2.
clean the strainer.
LpCol.
Low pressure
in the cooling
system in
cooling mode.
Insufficient water flow
through the evaporator.
1.
Check the heating/cooling
system if the circulation
pump is working or if all
valves and flaps are
correctly opened/closed,
The user
2.
cleans the strainer if it is
blocked
Summary of Contents for WPG 30
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