LG WT7200C Series - Troubleshooting Draining and Dispensing Problems

PRESSURE SENSOR ERROR
36
Yes
Is PE displayed?
Reconnect or
repair the
connector
No
Is the connector connected to
pressure sensor disconnected
or disassembled?
Yes
Replace the
pressure switch
No
Is the resistance of the
pressure sensor out of range?
(pin 1~ pin 3)
(21~23 Ω±10%)
Yes
No
Is the AIR CHAMBER and the
tube clogged?
Yes
Fix the air
chamber and
remove the foreign
material
Replace the MAIN PCB
assembly
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