Samsung AVXC1H022 series Service Manual page 295

Troubleshooting
I
: Indoor Heat Exchanger EVAP OUT Sensor Breakaway
Outdoor unit display
Indoor unit display
Judgment method
Causes
1. Judgment Method
Cooling operation
1)
Tcond, out - Tair, out > 3°C
Tair, in - Teva, in > 4°C
Tair, in - Teva, out > 4°C
Compressor running &
indoor unit on and thermo on
Error contents
Heating operation
2)
High pressure average > 25 kg/cm
Low pressure average < 8.5 kg/cm
Teva, out - Tair, in ≥ 3°C
Teva, in - Tair, in ≥ 2°C
Tcond, out - Tair, out < -2°C
Compressor running &
indoor unit on and thermo on
Error contents
2. Check Method
After checking whether the indoor heat exchanger EVAP OUT sensor is separated or not, adjust after assembly.
9-51
↔ A*** (*** : Indoor unit address which an error is occurred)
(Operation) (Timer)
Refer to the below judgment method
Indoor heat exchanger EVAP IN sensor breakaway
2
2
(Fan) (Filter) (Defrost)
OK
OK
NO
OK
Indoor heat exchanger EVAP IN sensor breakaway
OK
OK
NO
OK
OK
OK
Indoor heat exchanger EVAP IN sensor breakaway
Samsung Electronics