Table of Contents
Advertisement
SiBE04-624_B
2.28 Discharge Pipe Temperature Control
F3
Error Code
Method of Error
An error is determined with the temperature detected by the discharge pipe thermistor.
Detection
Error Decision
Conditions
Supposed
Causes
Troubleshooting
Check No.01
Refer to P.134
Check No.12
Refer to P.136
Check No.14
Refer to P.138
Service Diagnosis
If the temperature detected by the discharge pipe thermistor rises above 118°C, the
compressor stops.
The error is cleared when the discharge pipe temperature has dropped below 85°C.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Defective discharge pipe thermistor
(Defective outdoor heat exchanger thermistor or outdoor temperature thermistor)
Defective electronic expansion valve or coil
Refrigerant shortage
Defective four way valve
Water mixed in refrigerant
Defective stop valve
Defective outdoor unit PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Check No. 01
Check the thermistors.
OK
Check No. 12
Check the electronic
expansion valve.
OK
Check No. 14
Check the refrigerant
line.
OK
NG
∗
Discharge pipe thermistor
∗
Outdoor heat exchanger thermistor
∗
Outdoor temperature thermistor
NG
NG
∗
Refrigerant shortage
∗
Four way valve
∗
Water mixed
∗
Stop valve
Troubleshooting
Replace the
defective
thermistor(s).
Replace the electronic
expansion valve or the coil.
Refer to the refrigerant line
check procedure.
Replace the outdoor unit
PCB.
(R15825)
115
Advertisement
Table of Contents
