Dealing With Comfort Disruption - Nibe SPLIT HBS 12 Installation And Maintenance Instructions Manual

Dealing with comfort disruption

Use the following list to find and remedy any heating or
hot water problems.
Symptom
Low hot water temperature or a lack of hot
water.
Low room temperature.
High room temperature.
The compressor does not start.
Display not lit.
Cause
Circuit or main miniature circuit breaker
(MCB) tripped.
Heat pump and immersion heater do not
heat.
Possible earth circuit-breaker tripped.
Switch (SF1) set to mode 0.
Large hot water demand.
Too low start temperature setting on the
control system.
Possible earth circuit-breaker tripped.
Heat pump and immersion heater do not
heat.
Incorrect setting of "Curve slope", "Heating
curve, offset" and/or "Cooling curve, off-
set".
Circuit or main miniature circuit breaker
(MCB) tripped.
Heat pump in incorrect operating mode
"Hot water" or "Cooling".
The current limiter has restricted the cur-
rent because many power consumers are
being used in the property.
Incorrect setting of "Curve slope", "Heating
curve, offset" and/or "Cooling curve, off-
set".
Heat pump in incorrect operating mode.
Incorrect settings for cooling.
Minimum time between compressor starts,
alternatively time after power switch on
not achieved.
Alarm tripped.
Alarm cannot be reset.
NIBE™ SPLIT
For Home Owners
Dealing with comfort disruption
Action
Check and replace blown fuses.
Check and replace any blown circuit and
main fuses.
Reset the earth circuit-breaker, if the earth
circuit-breaker trips repeatedly, call an
electrician.
Set the switch to 1.
Wait a few hours and check if the hot water
temperature rises.
Adjust the start temperature setting in
menu 1.2.
Reset the earth circuit-breaker, if the earth
circuit-breaker trips repeatedly, call an
electrician.
Check and replace any blown circuit and
main fuses.
Adjust the setting.
Check and replace blown fuses.
Change operating mode to "Auto" or "Au-
toK".
Switch off one/several of the power con-
sumers.
Adjust the setting.
Change operating mode to "AutoK".
Adjust the settings. Check menu 2.2.1, 2.2.2
and 8.2.4.
Wait 30 minutes and check if the com-
pressor starts.
See section "Alarms".
Activate operating mode "Only additional
heat".
Check and replace any blown circuit and
main fuses.
Check that the circuit breaker to the indoor
unit is not off.
Check that the switch (SF1) is in normal
position (1).
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