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11-7. How to Diagnose Trouble in Outdoor Unit
Check Power Supply
(Voltage Rate ±10%)
Turn OFF power
supply.
Remove connector
of compressor.
Check 25A
fuse (F01)
OK
Turn ON power
Supply.
Check terminal
Voltage of electrolytic
capacitor are in
(Voltage Rate
±10%) x 1.414?
YES
Turn ON the unit
by remote controller
and wait for 3 min.
(Cooling : 17°C)
A
NG
NG
Replace
control board.
NO
Replace
control board.
Check component
parts of control board
assembly by visual.
(damage, burn,.. Etc.)
OK
Replace
fuse.
– 77 –
FILE NO. SVM-15008
• Connect discharge
resistance (approx. 100Ω,
40W) or soldering iron
(plug) between +, –
terminals of the electro-
lytic capacitor
(500µF or 760µF)
Discharging position
(Discharging period
10 seconds or more)
Plug of
soldering
iron
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