Nibe FIGHTER 1250 - Disturbances in Comfort; Comfort Disruption

15
NIBE FIGHTER 1250
Comfort disruption
Use the following list to fi nd and remedy any heating or hot water problems.
Symptom Cause Action
Low hot water temperature or a lack of
hot water
Circuit or main MCB tripped. Check and replace blown fuses.
Compressor and immersion heater do not
heat.
Check and replace any blown circuit and
main fuses.
Possible earth circuit-breaker tripped. Reset the earth circuit-breaker, if the
earth circuit-breaker trips repeatedly, call
an electrician.
Switch (8) set to 0. Set the switch to 1.
Large hot water demand. Wait a few hours and check if the hot
water temperature rises.
Too low start temperature setting on the
control system.
Adjust the start temperature setting
menu 1.4.
Low room temperature. Possible earth circuit-breaker tripped. Reset the earth circuit-breaker, if the
earth circuit-breaker trips repeatedly, call
an electrician.
Compressor and immersion heater do not
heat.
Check and replace any blown circuit and
main fuses.
The compressor does not run because of
a too low set value on the heating curve.
Check and possibly raise the Offset hea-
ting curve (knob on the front panel) or
Curve coeffi cient.
Circuit or main MCB tripped. Check and replace blown fuses.
Heat pump in incorrect operating mode
”Summer”.
Change operating mode to ”Auto”.
High room temperature. Incorrect setting of Curve coeffi cient and/
or Offset heating curve
Adjust the setting.
The compressor does not start. Minimum time between compressor starts
has not been reached (see menu 5.4).
Wait 30 minutes and check if the com-
pressor starts.
Alarm tripped. See section ”Alarms”.
Alarm cannot be reset. Activate operating mode ”Only additional
heat”.
Panel gone out. Check and replace any blown circuit and
main fuses.
Set switch (8) to standby
” ”.
A
Comfort disruption
Menu 1.0 is normally shown on the display
(the temperature in the hot water heater)
The plus and minus buttons and the enter
button can be used to scroll in the menu
system and change values in certain menus.
(See Front panel section)
Menu values