Nibe FIGHTER 1250 - Page 70

68
NIBE FIGHTER 1250
E
Comfort disruption
see section A ”Comfort disruption”
Alarm
no.
Alarm text
on the dis-
play
Description
20 Sensor fault
VBF1
Hot water heating blocked. Heating controlled with sensor VBF1 replaced with KF.
The set point is set to the set value in menu 2.3.
21 Sensor fault
VBR1
Hot water heating blocked. Heating controlled with sensor VBR1 replaced with KF.
The set point is set to the set value in menu 2.3.
22 Sensor fault
VVM
Hot water heating blocked.
23 Sensor fault
VBF2
Hot water heating blocked. Heating controlled with sensor VBF2 replaced with VBR2.
The set point is set to 15 ºC.
24 Sensor fault KF Hot water heating blocked. Protective function replaced with VBF1.
25 Sensor fault
KBin
Hot water heating blocked. Brine pump runs at maximum speed.
26 Sensor fault
KBout
Hot water heating and compressor blocked.
27 Sensor fault
HG
Hot water heating and compressor blocked.
28 Sensor fault
UG
Hot water heating blocked. The set point is set to the set value in menu 2.3.
Sensor alarm: Fault cause defective sensor or break in the sensor cable
Alarm
no.
Alarm text
on the dis-
play
Description May be due to
8 High VBR1 The alarm trips when the return sensor’s temperature
is greater than the set value in menu 5.6 at room
heating.
- Incorrectly set values in the display.
9 High KF The alarm deploys when the heating medium tempe-
rature after the condenser exceeds 65 ºC.
- Incorrectly set values in the display.
Alarm with automatic reset when the temperature has dropped 2 ºC
Alarm indications