Daikin FTXR-T Series, Руководство по обслуживанию

Страница: 98 / 144

Troubleshooting SiUS041829E
94 Part 6 Service Diagnosis
Reference
Reference
Reference
Note
Troubleshooting
Check No.01 Refer to P.112
Check No.13 Refer to P.115
Check No.14 Refer to P.115
When replacing the defective thermistor(s), replace the thermistor as ASSY.
NG
OK
NO
OK
NG
OK
YES
NG
Correct the fo u r way valve
coil.
Reconnect the harness.
YES
YES
YES
NO
NO
Replace the o u tdoor
u nit PCB (main PCB).
Replace the defective
thermistor(s).
Refer to the refrigerant line
check proced
u re.
Replace the fo u r way valve
(defective or d u st-clogged).
Reconnect the
thermistor(s).
Caution
Be s u re to t u rn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R20405)
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve
Fo u r way valve
coil disconnected (loose)?
Harness
disconnected?
Any thermistor
disconnected?
Check No. 01
Check the thermistors.
Check No. 14
Check the refrigerant line.
Check No. 13
Check the fo u r way valve
switching o u tp u t.
Check the contin u ity of the fo u r way
valve coil and harness.
Replace the fo u r way
valve coil.
NO
Resistance
between harnesses
abo u t 1000 ~ 2000
Ω
?
Disconnect the harness from the
connector.