7. how to diagnose trouble in outdoor unit – Toshiba CARRIER RAS-15LKV-UL User Manual

Page 83

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11-7. How to Diagnose Trouble in Outdoor Unit

YES

Turn ON the unit

by remote controller

and wait for 3 min.

Check component

parts of control board

assembly by visual.

(damage, burn,.. Etc.)

Check Power Supply

(Voltage Rate ±10%)

Replace
fuse.

NO

YES

YES

YES

Turn OFF power

supply.

Check 25A

fuse (F01)

failure?

Remove connector

of compressor.

Replace
control board.

Check terminal

Voltage of electrolytic

capacitor are in

(Voltage Rate

Turn ON power

Supply.

NO

±10%) x 1.414?

Replace
control board.

NO

(Cooling : 17°C)

• Connect discharge

resistance (approx. 100

Ω,

40W) or soldering iron
(plug) between +, –
terminals of the electro-
lytic capacitor (500

µF )

of C14 (with printed
CAUTION HIGH VOLTAGE)
on P.C. board.

Discharging position
(Discharging period
10 seconds or more)

Plug of
soldering
iron

FILE NO. SVM-10020

A

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