Panasonic CU-3E18LBE Сервис мануал онлайн [61/103] 626625

Panasonic CU-3E18LBE Сервис мануал онлайн [61/103] 626625
61
H64 Outdoor high
pressure
sensor
abnormality
Continuous
for 1 minutes
High pressure sensor
open circuit during
compressor stop
High pressure
sensor
Lead wire and
connector
H97 Outdoor fan
motor
mechanism
lock
2 times
happen within
30 minutes
Outdoor fan motor
lock or feedback
abnormal
Outdoor fan
motor lead wire
and connector
Fan motor lock or
block
H98 Indoor high
pressure
protection
Indoor high pressure
protection (Heating)
Check indoor
heat exchanger
Air filter dirty
Air circulation
short circuit
H99 Indoor
operating unit
freeze
protection
Indoor freeze
protection (Cooling)
Check indoor
heat exchanger
Air filter dirty
Air circulation
short circuit
F11 4-way valve
switching
abnormality
4 times
happen within
30 minutes
4-way valve
switching abnormal
•4-way valve
Lead wire and
connector.
F17 Indoor standby
units freezing
abnormality
3 times
happen within
40 minutes
Wrong wiring and
connecting pipe,
expansion valve
leakage, indoor heat
exchanger sensor
open circuit
Check indoor/
outdoor
connection wire
and pipe
Indoor heat
exchanger
sensor lead wire
and connector
Expansion valve
lead wire and
connector.
F90 Power factor
correction
(PFC) circuit
protection
4 times
happen within
10 minutes
Power factor
correction circuit
abnormal
Outdoor PCB
faulty
F91 Refrigeration
cycle
abnormality
2 times
happen within
20 minutes
Refrigeration cycle
abnormal
Insufficient
refrigerant or
valve close
F93 Compressor
abnormal
revolution
4 times
happen within
20 minutes
Compressor
abnormal revolution
Power transistor
module faulty or
compr
essor lock
F94 Compressor
discharge
pressure
overshoot
protection
4 times
happen within
30 minutes
Compressor
discharge pressure
overshoot
Check
refrigeration
system
F95 Outdoor
cooling high
pressure
protection
4 times
happen within
20 minutes
Cooling high
pressure protection
Check
refrigeration
system
Outdoor air
circuit
F96 Power
transistor
module
overheating
protection
4 times
happen within
30 minutes
Power transistor
module overheat
PCB faulty
Outdoor air
circuit (fan motor)
LED 6 LED 5 LED 4 LED 3 LED 2 LED 1
Abnormality
judgement
Protection
operation
Problem Check location
Diagnosis
display
Abnormality
or
protection
control

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