Troubleshooting
142
Samsung Electronics
Check the circulation water flow.
Does circulation water flow maintain
at least the recommended flow?
Check the piping system of circulation water.
(Pump, Strainer, Valves)
Check the Water Out temperature of circulation water.
Is Water Out temperature more than 3
℃
?
- Check the defect of Water Out temperature sensor.
- Make sure the Water In temperature is lowered.
Check the EVA In/Out temperature.
Is EVA In/Out temperature
maintain below zero?
- Check the control status of EEV.
- Check the EVA In/Out temperature sensor.
- Check the Water In temperature.
Yes
No
Yes
No
No
Yes
4-4-94 Error to prevention from freezing and bursting of Heat Exchanger
Indoor unit display
Cause of problem
/
(Repeats six times)
• Low Heat Exchanger internal temperature of xxx Hydro Unit. (Low flow / Low water temperature)
Criteria
. Water Out temperature is less than 3
℃
.
. EVA In/Out maintains the temperature below zero.
(* During the cooling operation, can be detected)
Outdoor unit display
/
↔
XXX (xxx : Address of Indoor Unit that error occurred))
1. Inspection Method
