Service manual

ESIEN05-04 Error Codes
Part 3 – Troubleshooting 3–41
4
5
1
3
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Check the connector
connection.
Replace outdoor
unit PCB.
Is
it
connected
properly?
Is
it normal?
Is
the
contact OK?
Check the thermistor
resistance.
Check the contact between
thermistor and PCB.
Correct contact
Replace the
thermistor.
Correct the
connection.
No
No
No
Yes
Yes
Yes
C4: Indoor liquid pipe thermistor (R2T).
C5: Gaspipe thermistor (R3T)
C9: Air suction thermistor (R1T).