Samsung fault codes
From the Samsung manuals on file, range by range.
Samsung Gen 6
- 101Indoor unit communication error
- 102Indoor unit/outdoor unit communication time-out error: errors in more than 6 packets
- 121Indoor temperature sensor (open/short error)
- 122Indoor unit eva in sensor (open/short)
- 153Indoor floating switch secondary detection
- 202Indoor/outdoor communication error (1 min)
- 221Outdoor temperature sensor error
- 237COND temperature sensor error
- 251[inverter] emission temperature sensor error
- 440Heating operation blocked
- 458Outdoor fan 1 error
- 461[inverter] compressor startup error
Samsung Heat pump
- E904Water tank sensor short/open
- E906Outdoor EVA in sensor error
- E907Pipe rupture protection error
- E910Water temperature sensor detached
- E911Minimum water flow rate not met
- E912Flow switch close error
- E913Flow switch error detected six times (re-operation impossible)
- E914Incorrect thermostat connection
- E915DC fan non-operating
- E916Mixing sensor short/open