“F3” Discharge Pipe Temperature Control - Daikin Altherma EKHBH Series Service Manual

ESIE06-03
"F3" Discharge Pipe Temperature Control
3.8
F3
Error code
Method of The discharge pipe temperature control (stop, frequency drooping, etc.) is checked with the
malfunction temperature being detected by the discharge pipe thermistor.
detection
Malfunction
decision conditions
Supposed causes
Part 3 – Troubleshooting
If a stop takes place 6 times successively due to abnormal discharge pipe temperature, the system
will be shut down.
If the temperature being detected by the discharge pipe thermistor rises above
compressor will stop. (The error is cleared when the temperature has dropped below
71 class
120
107
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
Refrigerant shortage
Four way valve malfunctioning
Discharge pipe thermistor defective
(heat exchanger or outdoor temperature thermistor defective)
Outdoor unit PCB defective
Water mixed in the local piping
Electronic expansion valve defective
Stop valve defective
Error Codes: Outdoor Units
°C, the
°C.
3–21
1
3 3
4
5