Toshiba RAV-SM304ATJP-E, Service Manual

Page: 61 / 101

FILE NO. SVM-1
4059
Check
code
[P22]
Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Fan system error]
Check outdoor P.C. board.
Defect
→
Replace
Replace fan motor.
Check wiring construction.
Ask to repair the power supply.
YES
NO
Is the power supply voltage
is lower than or over the range?
50 Hz : AC 198 to 264 V
60 Hz : AC 198 to 242 V
Rotate shaft of the fan motor by hands during
power-OFF.
Can it be rotated smoothly?
Is the resistance value of fan motor coil correct?
Between red and white lead wire : 12 to 25
Ω
Between white and black lead wire : 12 to 25
Ω
Between black and red lead wire : 12 to 25
Ω
YES
NO
–
6 1
–
SVM-13072.indb 69 SVM-13072.indb 69 11/01/13 1:53 PM 11/01/13 1:53 PM
—
[P26]
[P29]
[Short-circuit of compressor driving elements]
—
No code
[Position detection circuit error]
[Other] Compressor disorder due to sudden change of load, etc.
∗
Although the display of outdoor LED outputs, the unit automatically restarts
and error is not determined.
∗
A code may appear when an open phase of compressor, coming-out of wires or
power relay trouble occurred.
Correct wiring.
Replace outdoor P.C. board.
YES
NO
Does the same error occur in
operation without compressor lead?
Check compressor. (Layer short, etc.)
Defect
→
Replace
Are connections of compressor
lead and reactor lead correct?
(Check referring to Wiring diagram.)
NO
YES
Check outdoor P.C. board.
Defect
→
Replace
—
—
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