Samsung AM007FN1DCH/AA - Indoor Heat Exchangers EVA out Sensor Dislocation Error (Open;Short)

Troubleshooting
4-42 Samsung Electronics
×(Operation)
◑
(Timer)
◑
(Fan)
◑(
Filter)
×
(Defrost)
• Breakaway of Indoor Heat Exchanger EVA Out sensor
• Refer to the judgment method below.
Indoor unit display
Criteria
Cause of problem
Outdoor unit display
x x x
(
x x x
:
The address of the error occurred indoor unit)
4-4-7 Indoor Heat Exchanger's EVA OUT sensor dislocation error (Open/Short)
1. How to diagnose
1
) During Cooling Operation
2
) During Heating operation
Tcond, out - Tair, out > 3°C OK
Tair, in - Teva, out > 4°C NO
Tair, in - Teva, out > 4°C OK
Compressor in operation &
Indoor Unit operation &
Thermo On
OK
Error details
Breakaway Error of Indoor Heat
Exchanger EVA Out sensor
Average high pressure > 25kg/ cm² OK
Average low pressure > 8.5kg/
cm² OK
Tcond, out - Tair, out ≥ 3°C OK
Tair, in - Teva, out ≥ 2°C NO
Tcond, out - Tair, out < -2°C OK
Compressor in operation & Indoor
Unit operation & Thermo On
OK
Error details
Breakaway Error of Indoor Heat
Exchanger EVA Out sensor
2. How to check
* Hydro Unit : Before and after the Compressor operation, EVA Out tempera-
ture difference is less than 3
°C .
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