Service manual

ESIE03–01 Error Codes: Outdoor Units
Part 3 – Troubleshooting 3–57
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3.12 Malfunctioning Heat Exchanger Thermistor System (J6)
Error code J6
Error generation The error is generated when the thermistor resistance is out of its range.
Causes The possible causes are:
P Malfunctioning heat exchanger thermistor
P Malfunctioning heat exchanger thermistor connector connection
P Malfunctioning outdoor unit PCB.
Troubleshooting To troubleshoot, proceed as follows:
Is
it connected
properly?
Correct the
connection.
Check the
thermistor
resistance.
Is it normal?
Replace the
termistor.
Replace the
outdoor unit PCB
No
Yes
No
Yes
Check the unit
type.
Check the connector connection
of the heat exchanger
temperature sensor (R2T) on
X5A on the outdoor unit PCB.