-
247
-
1
Error display : No display
LCD display : No display
[Power supply line error]
Indoor unit
Red LED
Green LED
Stays OFF
Stays OFF
Red LED
Green LED
Stays OFF
Stays OFF
Outdoor unit
YES
YES
YES
YES
YES
NO
(4)
(1) (2)
(4)
(5)
(5)
NO
YES
NO
YES
NO
NO
NO
NO
NO
YES
Fuse
OK?
Several 10K
Ω
or higher.
Is the voltage
between
and 2/N of the indoor
unit’s terminal block
AC220/240V?
Is the voltage at
CnW3 or 10
(3)
(red – red) on the
transformer’s secondary side
14 V or higher?
Is voltage between
and 2/N of the outdoor unit’s
terminal block
AC220/240V?
Start
Is the voltage
between CnW5
and
DC 12V?
Is the voltage
between CnW8
and
DC 12V?
Does it return
to normal when the power
supply is reset?
Notes (1) In models other than FDT, replace the fuse.
(2) FDT only
Note (3) In models other than FDT, it is CNW2.
Notes (4)
is GND
(5)
FDT
only
Check the outdoor unit.
Replace the fuse.
Replace the transformer.
Wiring is disconnected.
Unit is normal.
(Malfunction was due to noise, etc.)
Replace the indoor unit
power supply PCB.
Replace the indoor unit
power supply PCB.
Replace the indoor
unit control PCB.
Disconnect the transformer’s primary side
(CnW1) and measure the resistance on
both ends of CnW1 (using a tester, etc.).
Interconnection wiring is
misconnected or disconnected.
(c) Check method when the error code is display
Remote controller or LCD: Inspection LED, error code
Indoor unit PCB: Red LED (inspection display), Green LED (CPU. normal display)
Outdoor unit PCB: Red LED (inspection display), Green LED (CPU. normal display)
Summary of Contents for FDCVA1002HESAR
Page 107: ... 106 60 17 150 b Wireless remote controller Unit mm ...
Page 119: ... 118 Model FDCVA1002HESAR Polar white ...
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