Toshiba RAC-08EW-E, Руководство по обслуживанию

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11-2-2. No Power Turns On (Air Conditioner Does Not Operate)
<Precheck>
(1) Is voltage to wall socket normal?
(2) Has cord plug fully sealed in the socket?
<Checking Procedures>
(3) Is water filled in the tank?
(4) Is timer set in timer mode? (Is timer select switch
set to ON?)
11-2-3. All Relays Do Not Work
<Checking Procedures>
See item "NO
power turns on"
Control PCB
ass'y is faulty.
Replace
Is 12VDC (Q02 "E") voltage indicated on rear of control
PCB normal?
Does operation lamp on control panel flash?
Control panel ass'y is faulty.
Turn power ON.
YES
YES
NO
NO
Operations
Remedies
Check items
Major possible
causes
Item by
symptom
Operations
Remedies
Check items
Major possible
causes
Item by
symptom
Turn power switch OFF, wait 5 seconds and turn
switch ON again.
Does operation lamp on control panel flash?
When the control panel "I/O" button
is turned ON, does power go on?
Control PCB ass'y
is faulty.
Replace
YES
YES
YES
YES
NO
NO
NO
NO
(Normal)
Replace
Is DC 12V (Q01 "E"),DC5V(Q02 "E") of voltage indicated
on rear of control PC BOARD ASS'Y normal?
Control panel
ass'y is faulty.
Is the DC voltage between pin 2 of CN06 control panel
connector and GND 5V?