Wiring Diagram; Indoor Unit - Toshiba RAS-13UAV-E2 Service Manual

4-1. Indoor Unit

Check Item
OPERATION
1
INDICATOR
2
TERMINAL BLOCK
3
FUSE 3.15A
4
DC5V
5
DC12V
DC325V
6
(DC310 to 340V)
Refer to the service data for the detailed failure diagnosis.

4. WIRING DIAGRAM

Table 4-1-1 Simple Check for Failure Diagnosis
Check to see if the OPERATION indicator goes on and off when the main
switch or breaker is turned on.
(Check the primary and secondary voltage of the transformer.)
Check the power supply voltage between 1 and 2. (Refer to the name plate.)
(Check the primary and secondary voltage of the transformer.)
Check the fluctuating voltage between 2 and 3. (DC15 to 60 V)
Check to see if the fuse blows out.
(Check the R04 of the varistor.)
Check the voltage at the No. 4 pin on CN13 connector of the infrared receiver.
(Check the transformer and the power supply circuit of the rated voltage.)
Check the voltage at the white lead of the louver motor.
(Check the transformer and the power supply circuit of the rated voltage.)
Check the voltage at the No. 1 pin on CN10 connector.
(Check the DB01, R05 and C03.)
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FILE NO. SVM-03008
Diagnosis Result