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Heating  Heating

Brand

NTI Boilers NTI Boilers List all brands

Type:

Trinity Lx400 view Trinity Lx400 List all types

Error code:

Hold 91
List all errors


Error code: Hold 91

Cause of error code Hold 91

1. Sensor disconnected
2. Faulty sensor

Solution for error code Hold 91

1. - Verify that 2-position Molex connector on wiring harness is securely attached to mating connector on inlet sensor.
- Inspect sensor wiring.
2. Check resistance of sensor and compare to thermistor resistance chart. 


 


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