Fujitsu AOY90 User Manual

ERROR
CONTENTS
ERROR CAUSE
REMEDY
ERROR
CODE
Discharge
temperature
thermistor 1
error
1. Check for loose or dislodged discharge
temperature thermistor TH D1 connector.
2. Check discharge temperature
thermistor TH D1 resistance. If abnormal,
replace thermistor.
1. Connector contact faulty.
1. Generation condition.
Thermistor short or open
detected.
2. Corresponding operation.
1) Compressor 1 stop.
2) Error display to outdoor unit
LED and error output to
communication bus line.
3. Reset condition.
Thermistor detection value
other than short or open.
* Compressor continues to
operate for 5 minutes or
longer and detection is
performed during operation.
2. Discharge temperature
thermistor THD1 faulty.
0D
Discharge
temperature
thermistor 2
error
1. Check for loose or dislodged discharge
temperature thermistor TH D2 connector.
2. Check discharge temperature
thermistor TH D2 resistance. If abnormal,
replace thermistor.
1. Connector contact faulty.
1. Generation condition.
Thermistor short or open
detected.
2. Corresponding operation.
1) Compressor 2 stop.
2) Error display to outdoor unit
LED and error output to
communication bus line.
3. Reset condition.
Thermistor detection value
other than short or open.
* Compressor continues to
operate for 5 minutes or
longer and detection is
performed during operation.
2. Discharge temperature
thermistor THD2 faulty.
0E
Discharge
temperature
thermistor 3
error
1. Check for loose or dislodged discharge
temperature thermistor TH D3 connector.
2. Check discharge temperature
thermistor TH D3 resistance. If abnormal,
replace thermistor.
1. Connector contact faulty.
1. Generation condition.
Thermistor short or open
detected.
2. Corresponding operation.
1) Compressor 3 stop.
2) Error display to outdoor unit
LED and error output to
communication bus line.
3. Reset condition.
Thermistor detection value
other than short or open.
* Compressor continues to
operate for 5 minutes or
longer and detection is
performed during operation.
2. Discharge temperature
thermistor THD3 faulty.
0F
– 99 –

Fujitsu AOY90 Specifications

General

Brand	Fujitsu
Model	AOY90
Category	Air Conditioner
Language	English