ESIE02–01 Error Codes: Indoor Units
Part 3 – Troubleshooting 3–31
4
5
1
3
Troubleshooting To troubleshoot, proceed as follows:
Check the connector
connection.
Is it connected
properly?
Correct the
connection.
Check the thermistor
resistance.
Is it normal?
Replace the
thermistor.
Check the contact between
thermistor and PCB.
Is the contact
OK?
Correct contact
Replace outdoor
unit PCB.
No
Yes
No
Yes
Yes
No
C4: Indoor liquid pipe thermistor (R2T).
C9: Indoor ambient temperature thermistor (R1T).
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