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372
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'12 • PAC-T-173
None
Power supply system error
(Power supply to indoor control PCB)
1. Applicable model
5. Troubleshooting
All models
Diagnosis
Countermeasure
Is
AC220/240V
detected between 1 and
2 on the terminal block
of indoor
unit?
NO
NO
Are fuses OK?
YES
YES
YES
NO
Is the
check of resistance between
-
of CNW0
OK?
NO
Is the
checked result
of resistance of FM,
etc OK?
NO
Is
AC380/415V
for 3-phase unit detected
between 1, 2 and 3 on the teminal
block of outdoor unit or is AC220/240V
for 1-phase unit detected between
1 and 2 on the terminal
block of outdoor
unit?
YES
YES
NO
(2)
Note (2)
for GND
Is DC5V
detected between
-
of CNW1?
NO
YES
YES
Is JX1 open?
Note (1) FDT, FDUM : F1, F2
FDTC, FDF : F200, F201
FDEN, FDU : Fuse between wires
(1)
Defective outdoor control
3&%1RLVH¿OWHU
Misconnection or breakage
of connecting wires
Defective indoor power
PCB
ª
Replace.
Replace FM, etc.
Replace fuse.
Defective indoor power
PCB
ª
Replace.
Open JX1.
Defective indoor control
PCB
ª
Replace.
2. Error detection method
3. Condition of Error displayed
4. Presumable cause
• Misconnection or breakage of
connecting wires
• Blown fuse
• Faulty transformer
• Faulty indoor control or
power PCB
• Broken harness
• Faulty outdoor control PCB
(Noise filter)
Note:
Error code
Remote controller:
LED
Green
Red
Indoor Stays OFF Stays OFF
Outdoor Stays OFF 2 times flash
Content
Summary of Contents for FDC Series
Page 95: ... 94 12 PAC T 173 Models FDT100VF 125VF 140VF H H H H H C B A F G D G PJF000Z285 ...
Page 98: ... 97 12 PAC T 173 Models FDEN60VF 71VF C 2 C 1 A B A B D C 1 C 2 C 1 C 2 E G F B PFA003Z817 ...
Page 113: ... 112 12 PAC T 173 b Wireless remote controller RCN E1R 60 17 150 Unit mm ...
Page 278: ... 277 12 PAC T 173 ー K ...
Page 346: ... 345 12 PAC T 173 Power PCB 1BSU OVNCFS 4GRNCEG VJG 2 ...
Page 518: ... 517 12 PAC T 173 3 5 SUPER LINK E BOARD SC ADNA E F SL2NA E and SL3N AE BE to control ...
Page 519: ... 518 12 PAC T 173 ...
