Troubleshooting
418
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
Содержание AE022MNADEH/EU
Страница 427: ...PCB Diagram and Parts List 430 Samsung Electronics 5 1 4 360 cassette MAIN PCB 1 2 3 4 5 6 7 8 9 10 11 12 13 ...
Страница 441: ...PCB Diagram and Parts List 444 Samsung Electronics 5 1 11 Duct type HSP BLDC PCB AM112 128 140FNHDEH6 1 2 3 4 ...
Страница 485: ...PCB Diagram and Parts List 488 Samsung Electronics OAP DUCT AM220 280 NEPEH EU Cont BLDC Driver PCB cont 6 5 4 3 2 1 ...
Страница 494: ...PCB Diagram and Parts List Samsung Electronics 497 1 2 3 4 5 6 7 10 9 8 STAND Cont Main PCB AM140JNPDKH TK ...
Страница 531: ...Wiring Diagram 534 Samsung Electronics AM666MNFDEH6 This Document can not be used without Samsung s authorization ...
Страница 539: ...542 Samsung Electronics 6 1 26 OAP Duct AM140MNEPEH EU This Document can not be used without Samsung s authorization ...
Страница 540: ...Samsung Electronics 543 6 1 27 OAP Duct AM140MNEPEH EU This Document can not be used without Samsung s authorization ...
Страница 542: ...Samsung Electronics 545 6 1 29 V AHU AM666JNZDCH6 This Document can not be used without Samsung s authorization ...
Страница 543: ...546 Samsung Electronics 6 1 30 Stand AM280JNPDKH TK This Document can not be used without Samsung s authorization ...
Страница 544: ...Samsung Electronics 547 This Document can not be used without Samsung s authorization AM140JNPDKH TK ...