Panasonic NR-BU302 SERIES NR-BU342 SERIES, Руководство по обслуживанию

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5. Troubleshooting Guide
Cause : Not cool at all or not enough
Does the compressor
operating?
Check the Start
Control Circuit
Check pressure of the
motor compressor by
ohmmeter.
Compressor's
rotor lock
Replace the defect
of electric part
(Capacitor, Thermostat,
PTC Relay and Protector)
Check oil color
of the compressor
Check oil color
of the compressor
Check oil color
of the compressor
Replace the fan motor
Cannot repair
Rip/Burn coil
Replace the compressor
(Clean the pipe according
to guidance)
Replace the compressor
(Clean the pipe according
to guidance)
(Clean the pipe according
to guidance)
Check the Fan
Motor circuit
Clogged moisture
NO
NO
YES
YES
YES
NO
YES
It's very few ice
No ice
or only at the inlet
YES
NO
Gas spout out at both side
NO
YES
Gas spout out at dryer side only
Gas spout out at evaporator side only
Gas leakage
Cutting cap tube
out of the dryer side
Check
the gas smell
Defect compressor
Clogged in the cap
tube system at the
evaporator side
Clogged in the cap
tube system at the
dryer side
Does the fan motor
operating?
Check the ice at the
evaporator?
Does any oil leak out?
Plug out to stop the
compressor and check
gas spout out by cutting
cap tube around 35 mm
from dryer
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