There's no hot water.
Cause
Solution
a)
The tap water heating is set to ECO and the daily
supply of hot water has been consumed.
●
Use the BOOST setting to heat up the water once.
●
If this happens often, change the tap water
heating to the COMFORT mode.
b)
The tap water heater is disabled.
●
Change the tap water heating to ECOco or
COMFORT mode.
c)
The screen of the room thermostat does not
show anything.
●
Check the thermostat's batteries.
●
Check and restore the power supply of the heat
pump.
●
Has the fuse in the meter box tripped?
●
Is the residual current device (RCD) in the meter
box enabled?
d)
The heat pump is in an error state.
●
Check the error code tables for a solution.
The ventilation unit does not respond to operation.
Cause
Solution
a)
The wireless connection to your thermostat has
been interrupted.
●
Check and restore the wireless connection
between the ventilation unit and the thermostat.
●
Check and restore the voltage of the ventilation
unit.
b)
The ventilation unit has an error.
●
For causes and solutions, see the ventilation unit
manual.
33
Summary of Contents for WPU 5G 25 c
Page 1: ...A Itho Daalderop WPU 5G User manual...
Page 2: ...Translation of the original document...
Page 7: ...7...
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