Nibe SPLIT ACVM270 - Page 39

E36 - Permanent Hotgas
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
E37 - S. fault Tho-R
Is the heat exchanger's
temperature sensor (Tho-R1, R2)
correctly connected?
YES
YES
Replace the control board.
Action.
Defective sensor - replace.
Are the characteristics of the heat
exchanger's temperature sensor
(Tho-R1, R2) OK?
NO
NO
39Chapter 5 | TroubleshootingNIBE SPLIT ACVM270