F3 Discharge Pipe Temperature Control - Daikin R71FUV1 Service Manual

Si20-701_B
F3
3.38
Temperature Control
Remote Controller Display
F3
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZQG, RZR-KU / HU
Method of Error Detection
The error is detected according to the temperature
detected by the discharge pipe thermistor.
Error Decision Conditions
When the discharge pipe temperature rises to an
abnormally high level
When the discharge pipe temperature rises suddenly
When the discharge pipe temperature does not rise
after operation start
Supposed Causes
Defective discharge pipe thermistor
Defective connection of discharge pipe thermistor
Refrigerant shortage
Defective compressor
Disconnection of discharge pipe thermistor
Defective outdoor unit PCB
218
Discharge Pipe
Troubleshooting by Remote Controller