10-4
10-2-4 Outdoor detailed inspection procedure
No.
Procedure Inspection Method Cause
ߣ
Plug out and pull the PCB
out of the control box. Check
the PCB fuse (Wait 3 minutes
after power off)
ߣ࣒Ãϑߣϑϩ˙Їϑʪʒϑʀͱʪʀϩʪʒ • Over current
• AC part and pattern short
of Outdoor PBA
2 Check the Wiring
1) Is the Compressor wire connected
clockwise?
2) Is the Reactor wire connected normal?
3) Is the Fan wire connected normal?
4) Is the 4way wire connected normal?
5) Is the sensor wire connected normal?
6) Is the EEV wire connected normal?
• Wrong assembly
• Installation(service)
condition is bad
3
“Supply power and operate
the set (Use Remote-con-
trol, button in indoor set)”
Check the power voltage
ߣ࣒Ãϑϩ˵ʪЭͱϩɇ˝ʪɵʪϩиʪʪƟʪθɇ
block L-N
ߤߢߢǤɇʀߤߦߢǤɇʀ
• Power cord is faulty, Wrong
Power cable Wiring
2) Is the C006 voltage
ߤߢߢǤɇʀߤߦߢǤɇʀ
• Fuse open
• øࡥĘࡥߣࡥߤиθʪиθͱ˝иθ˝
(Terminal Block-PBA)
ߥ࣒Ãϑϩ˵ʪAĘߣߧߢЭͱϩɇ˝ʪ
ߤߢߢǤɇʀߤߦߢǤɇʀ
• Power circuit is faulty
• Load short
ߦ࣒Ãϑϩ˵ʪťAߢߧߢ࣑࢈ߤߨࣛ࢈ߤߩ࣒Эͱϩɇ˝ʪ
ߤߢߢǤɇʀߤߦߢǤɇʀɇ˙ϩʪθߥЇϩʪϑ
ɇϩʪθ
• Fuse open
• øࡥĘࡥߣࡥߤиθʪиθͱ˝иθ˝
(Terminal Block-PBA)
• .PTC020 open
• ŵǽߢߤߣࡥŵǽߢߤߤϑ˙ɇЇϩц
• ĮЇϩʒͱͱθđʀͱ࣑ÃAߤߢߣ࣒ʪθθͱθ
ߧ࣒Ãϑϩ˵ʪAkߣߢߣЭͱϩɇ˝ʪ
ߤߪߢǤʒʀߥߤߢʒʀɇ˙ϩʪθߥЇϩʪϑ
ɇϩʪθ
• PFC050 is faulty
• Reactor wire is wrong
connection
• Power circuit is faulty, Load
short
• BLDC Fan motor error
ߨ࣒Ãϑϩ˵ʪЭͱϩɇ˝ʪAĘߣߧߣ࢈ߣࣛ࢈ߤ
Эͱϩɇ˝ʪߣߧǤʒʀ
• Switching Trans of Power
circuit is faulty
• Load short
ߩ࣒Ãϑϩ˵ʪЭͱϩɇ˝ʪAĘߣߧߤ࢈ߣࣛ࢈ߤ
Эͱϩɇ˝ʪߣߤǤʒʀ
• Switching Trans of Power
circuit is faulty
• Load short
ߪ࣒Ãϑϩ˵ʪЭͱϩɇ˝ʪAĘߣߧߣ࢈ߥࣛ࢈ߤ
Эͱϩɇ˝ʪߧǤʒʀ
• Switching Trans of Power
circuit is faulty
• Load short
4
Check the LED lamp
display
ߣ࣒ĘͱθɇࡤŵkUͱࡥŵĘɵࡥ
YEL off
2) Abnormal
- All o check no power
- abnormal display : check error
mode
• ߣࡥߤиθʪиθͱ˝иθ˝
• Outdoor PBA is faulty