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Troubleshooting
Service manual
28
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
2.5.18 H9-00 – Outdoor unit: Malfunction of outdoor air thermistor
Trigger
Effect
Reset
Outdoor air thermistor
input is out of range.
Unit will stop operating.
Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Perform a check of the outdoor air thermistor. See
Possible cause:
Faulty ambient air thermistor.
2
Perform a check of the main PCB. See
Possible cause:
Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.5.19 J3-00 – Outdoor unit: Malfunction of discharge pipe thermistor
Trigger
Effect
Reset
Discharge pipe thermistor
input is out of range.
Unit will stop operating.
Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Perform
a
check
of
the
discharge
pipe
thermistor.
See
Possible cause:
Faulty discharge pipe thermistor or connector fault.
2
Perform a check of the main PCB. See
Possible cause:
Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.5.20 J6-00 – Outdoor unit: Malfunction of heat exchanger thermistor
Trigger
Effect
Reset
Outdoor heat exchanger
thermistor input is out of
range.
Unit will stop operating.
Manual reset via user
interface.