Nibe F2040 Technical Manual

230 - Perm. high hot gas
Are the characteristics of the hot
gas sensor ( Tho-D) OK?
YES
NO
YES
Are the hotgas temperature
checks normal?
Does the temperature (external
gauge) correspond with the
displayed temperature in the event
of an alarm?
- Is the filter blocked?
- Is the air circulation obstructed?
- Is the installation space
sufficient?
- Is the heat exchanger dirty?
Replace defective sensor.
Insufficient amount of refrigerant.
Action.
Does the fault also occur during
cooling?
Check the rotational speed of the
compressor.
Defective control board - replace.
NO
YES
NO
NO
YES
59Chapter 6 | TroubleshootingNIBE™ F2040

Nibe F2040 Specifications

General

Type	Air/water heat pump
Refrigerant	R410A
Operating Temperature Range Heating	-20°C to 35°C
Operating Temperature Range Cooling	10°C to 46°C
Sound Power Level	56-62 dB(A) (depending on model)