SiMX042215E
Troubleshooting
Part 6 Service Diagnosis
71
Reference
Reference
Reference
Troubleshooting
R6000651
OL (Q1L) activating temperature: 120°C
OL (Q1L) recovery temperature: 95°C
Check No.01
Refer to P.90
Check No.12
Refer to P.92
Check No.14
Refer to P.93
Caution
YES
NG
NO
OK
NG
YES
NO
Disconnect the connector S40
from the PCB.
Disconnect the 2 terminals of
the OL (Q1L).
Resistance
∞
Resistance
∞
Nearly 0
Ω
Nearly 0
Ω
Insert the thermistor in
position.
Replace the discharge pipe
thermistor.
Replace the electronic
expansion valve or the coil.
Discharge
pipe thermistor
disconnected?
Check No. 12
Check the electronic
expansion
v
al
v
e.
Replace the OL (Q1L).
Replace the OL harness.
Connect the connector S40
properly.
Is the connector
S40 properly connected?
Check No. 01
Check the discharge pipe
thermistor.
Check
the resistance
between the 2 terminals on
connector S40.
Check the
resistance between the
2 terminals of the OL
(Q1L).
OK
NG
OK
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve
Refer to the refrigerant line
check procedure.
Replace the outdoor unit
PCB (main PCB).
Check No. 14
Check the refrigerant
line.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
