Samsung AR09HSFSHWKNCV, Service Manual

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10-36 Samsung Electronics
10-2-30 10-3-18 S m art Install error
1. Checklist :
1) Check the leakage region.(Use leakage detection liquid or soapy water)
2) When leakage region is found from service valve and piping connection flare nut part : After the related measures to check the
refrigerant supplements and operation.
3) If the leakage region is pipe welding part : Weld leakage region after refrigerant gas release.(Brass parts should only apply)
4) If the leakage region is surface area (Heat e x changer or pipe welding region is not) : Replace parts.
5) Check the PBA Relay
- Display of indoor unit : Ensure that the operating pilot lamp has been lighted.
- Ensure that the Relay input voltage of indoor unit PBA is normally.(If the PBA is defective, replace)
2. Troubleshooting procedure
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YES
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Did stop valve of
the low pressure valve open
perfectly?
Among compressor operation, does cold air
come out from the indoor unit?
Connect the manifold gauge to the service
port of low pressure side service valve and
then measure the refrigerant pressure.
Does measurement
pressure include in ±10 e x tent
of reference pressure?
E x ecute the related trouble-
shooting.
- Discharge temperature and the indoor
temperature measurements confirm
that the difference is more than 10
ఁ .
- Fill up perfectly refrigerant after
re-vacuum.
[E x ecute the troubleshooting]
Check the refrigerant leaks.
Check the PCB Relay.
End
Re-connect after 3 seconds,
after separate the power cord.
And then begin cooling operation with minimum
temperature that can establish. (use the remote control)
Open perfectly stop valve.
(Use the 4mm he
x wrench)