High Pressure Standard Not Met Before Air Conditioning (Inability To Re-Operate) - Samsung AM006JNFDCH/AA Service Manual
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Troubleshooting
4-4-63 High Pressure Standard Not Met before Air Conditioning (Inability to Re-operate)
Outdoor unit display
Indoorunit display
×(Operation)
. Operation should be forbidden if High Pressure sensor value of the Main Unit before the pump down is started at 2.2kg/cm²g
Judgment Method
Cause of problem
∙ Refrigerant leakage/fault in High Pressure sensor .
1. Cause of problem
Is High Pressure sensor connector
accurately connected to PCB?
Is there any refrigerant leakage or
recharging problem inside the system?
(Check it through Manifold gauge)
Replace High Pressure sensor
4-98
(Reservation)
or below for air-conditioning and 1.0kg/cm²G or less for heating for three consecutive seconds.
(Restarting operation is not possible, and an error displayed on the indoor unit.)
Yes
No
(Blast)
(Filter) ×(Defrost)
No
Reconnect and check connector.
Yes
Supplement or recharge the refrigerant.
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