2-16. E: 45. Refrigerant leakage sensor error (Indoor unit)
Indicator Indoor unit
Operation indicator 4 time flash
Timer indicator 5 time flash
Economy indicator Continuous flash
Error code E: 45
Detective actuator Refrigerant leakage sensor
When refrigerant leakage sensor open, short circuit, or
abnormal voltage of drive circuits detected.
Forecast of cause
Connector connection failure
Harness disconnection
Refrigerant leakage sensor deterioration
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.
↓
End
2-16. E: 45. Refrigerant leakage sensor error (Indoor unit) - (03-42) - 2. Troubleshooting with error code
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