Toshiba RAV-SM1103AT-E1 Service Manual page 52

Check Outdoor
code LED display
[F08]
[F12]
[F13]
[F15]
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Outside air temp. sensor (TO) error]
Is CN602 connection normal?
Is resistance value of TO sensor normal?
YES
[Suction temp. sensor (TS) error]
Is CN604 connection normal?
Is resistance value of TS sensor normal?
YES
[Heat sink temp. sensor (TH) error]
Check outdoor P.C. board.
Defect → Replace
[Miswiring of heat exchanger sensor (TE, TS)]
Is mounting status of
TE and TS sensors normal?
YES
Is CN604 connection normal?
Is resistance value of TS sensor normal?
YES
Is CN603 connection normal?
Is resistance value of TE sensor normal?
YES
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NO
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
NO
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
NO
Correct sensor mounting.
NO
Correct connector.
Sensor error → Replace
NO
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace