11-7. How to Diagnose Trouble in Outdoor Unit

Check Power Supply

(Voltage Rate ±10%)

YES

Turn OFF power supply.

Remove connector of compressor.

Check 25A

NO

fuse (F01)

 

 

failure?

 

YES

 

 

 

Check component NO parts of control board

assembly by visual. (damage, burn,.. Etc.)

YES

Replace

control board. Replace fuse.

Turn ON power

Supply.

Check terminal

 

Voltage of electrolytic

NO

capacitor are in

 

(Voltage Rate

 

±10%) x 1.414?

 

YES

Replace

 

control board.

Turn ON the unit by remote controller and wait for 3 min. (Cooling : 17°C)

A

FILE NO. SVM-10020

∙Connect discharge resistance (approx. 100Ω￿, 40W) or soldering iron (plug) between +, – terminals of the electro- lytic capacitor (500μF ) of C14 (with printed

CAUTION HIGH VOLTAGE) on P.C. board.

Discharging position (Discharging period

10 seconds or more) Plug of soldering

iron

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