LOW HOT WATER TEMPERATURE OR A
LACK OF HOT WATER
Caution
The hot water is always set on the indoor
module (VVM) or the control module (SMO).
This part of the fault-tracing chapter only applies if the
heat pump is docked to the hot water heater.
• Large hot water consumption.
– Wait until the hot water has heated up.
• The hot water settings are adjusted on the display on
the indoor module / control module.
– See the manual for the indoor module or control
module.
• Clogged particle filter.
– Check whether alarm "high condenser out" (162) is
an information message. Check and clean the
particle filter.
LOW ROOM TEMPERATURE
• Closed thermostats in several rooms.
– Set the thermostats to max in as many rooms as
possible.
• Incorrect settings in indoor module or control module.
– See the manual for the indoor module / control
module (VVM / SMO).
• Incorrect flow across the heat pump.
– Check whether alarm "high condenser in" (163) or
"high condenser out" (162) are info messages. Follow
the instructions for adjusting charge flow.
HIGH ROOM TEMPERATURE
• Incorrect settings in indoor module or control module.
– See the manual for the indoor module or control
module.
LARGE AMOUNT OF WATER BELOW F2040
Check that the water drainage via the condensation pipe
(KVR 10) is working.
49Chapter 9 | Disturbances in comfortNIBE F2040