Daikin FTK25AZVMB - 5.2.24 High Pressure Control in Cooling

Si10-417 Troubleshooting
Service Diagnosis 73
Trouble
shooting
Check No.4
Refer to
P.151
Check No.6
Refer to
P.157
Check No.11
Refer to
P.162
l Discharge
pipe
thermistor
l Outdoor
unit heat
exchanger
thermistor
l Outdoor
temperature
thermistor
l Refrigerant
shortage
l Four way
valve
malfunc-
tioning
l Water
mixed
l Stop valve
defective
Replace a defective
thermistor.
Replace the valve
itself or the coil.
Refer to the refrigerant
line check procedure.
Replace the outdoor
unit PCB.
(R2846)
Check No. 6
Check the thermistors.
Malfunctioning
Functioning
Functioning
Functioning
Check No. 11
Check the refrigerant
line.
Malfunctioning
Malfunctioning
Check No. 4
Check the electronic
expansion
valve.
Caution
Be sure to turn off power switch before connect or
disconnect connector, or parts damage may be occurred.
Si10-417.fm Page 73 Wednesday, September 22, 2004 6:38 PM