Malfunctioning In Discharge Pipe Temperature - Daikin Sky Air R-407C Service Manual

ESIE02–01
3.6 Malfunctioning in Discharge Pipe Temperature (F3)
F3
Error code
LED indications The table below shows the LED indications.
Operation
Normal
Malfunction
Error generation The error is generated when:
Causes The possible causes are:
Part 3 – Troubleshooting
HAP (green)
Discharge pipe temperature becomes abnormally high
Discharge pipe temperature rises suddenly
Discharge pipe thermistor is not in its holder.
Improper refrigerant amount
Clogging refrigerant piping circuit
Discharge temperature that is too low due to too much refrigerant or due to the discharge
thermistor being out of its holder
Discharge temperature that is too high.The possible causes are:
Excessively
high discharge
temperature
Refrigeration
caused by
shortage
caused by
H1P (red)
6 8
6 8
insufficient suction
gas to
compressor
incorrect
operation of
expansion valve
Ÿ
electrical fault coil
Ÿ
mechanical fault body
caused by
Ÿ
discharge thermistor
inaccuracy
Error Codes: Outdoor Units
H2P (red)
8
8
3–45
1
3 3
4
5