Nibe F1245 Service Manual

May be due toHeat pump action.CauseInformation in
display
No.
■
Connections to sensor BT10,
BT11
GP2 switches to manual speed
if auto controlled is selected.
Uncertain sensor accuracy of
brine sensors BT10, BT11. Dif-
ference of more than 2K
between them at calibration.
Uncertain
sensor accuracy
351
■
Connections to sensor BT3,
BT12
GP1 switches to manual speed
if auto controlled is selected.
Uncertain sensor accuracy of
heating medium sensors BT3,
BT12. Difference of more than
2K between them at calibra-
tion.
Uncertain
sensor accuracy
353
Resets when OPT is not issuing
an alarm
A temporary alarm from OPTInt temp OPT er-
ror
359
Resets when country is selected
in menu 5.12.
Stops in the position reached
when the message was dis-
played.
Country not
defined.
900
Only info. Resets when country
is selected in menu 5.12
Country not selectedCountry not
defined
990
■
Check any external connec-
tion functions.
Only info.An alarm according to selec-
ted function on AUX input.
External alarm995
■
Check any external connec-
tion functions.
Additional heat is blockedAdditional heat is externally
blocked via AUX input.
Blocked996
■
Check any external connec-
tion functions.
Compressor is blockedAdditional heat is externally
blocked via AUX input.
Blocked997
F1245Chapter 6 | Troubleshooting36

Nibe F1245 Specifications

General

Refrigerant	R410A
Control System	NIBE SMO 40
Dimensions (HxWxD)	1800 x 600 x 620 mm
Energy Efficiency Class Heating 35°C	A++
Energy Efficiency Class Heating 55°C	A++
Heating Capacity	5-12 kW
COP Heating	4.5
Integrated Hot Water Tank	180 liters
Power Input Heating	1.0 - 3.0 kW