Fujitsu AUXG07KVLA Manual page 193

2-16. E: 45. Refrigerant leakage sensor error (Indoor unit)
Indicator Indoor unit
Detective actuator Refrigerant leakage sensor
Forecast of cause
System is down.
Check point 1. Check connection of connector
• Check if connector is loose or removed.
• Check erroneous connection.
• Check if refregerant leakage sensor cable is open.
-> Reset power when reinstalling due to removed connector or incorrect wiring.
Check point 2. Replace refrigerant leakage sensor
• If an abnormality (failure) occurs, the refrigerant leakage sensor needs to be replaced.
2-16. E: 45. Refrigerant leakage sensor error (Indoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
When refrigerant leakage sensor open, short circuit, or
abnormal voltage of drive circuits detected.
↓
↓
End
- (03-29) -
4 time flash
5 time flash
Continuous flash
E: 45
Connector connection failure
Harness disconnection
Refrigerant leakage sensor deterioration
2. Troubleshooting with error code