Toshiba RAV-SM304SDT-TR Service Manual page 98

Check APPLICATION CONTROL KIT
code LED display
[F08] D01 D02
(Red) (Yellow) (Yellow) (Yellow)
[F12] D01 D02
(Red) (Yellow) (Yellow) (Yellow)
[H01] D01 D02
(Red) (Yellow) (Yellow) (Yellow)
[H02] D01 D02
(Red) (Yellow) (Yellow) (Yellow)
LED display legend: Go off,
(Part without special mention indicates a part of the outdoor unit.)
D03 D04 [Outside temp. sensor (TO) error]
Is connection of CN602 correct?
Is resistance value of TO sensor correct?
D03 D04 [Suction temp. sensor (TS) error]
Is connection of CN603 correct?
Is resistance value of TS sensor correct?
D03 D04 [Compressor breakdown]
Is AC mains voltage correct?
Is wiring connection correct?
(P.C. board side, Compressor side)
Reactor cord, Power supply lead
Does abnormal overload happen?
D03 D04 [Compressor lock]
Is AC mains voltage correct?
Is wiring connection correct?
(P.C. board side, Compressor side)
Reactor cord, Power supply lead
YES
Is compressor
under correct
conditions?
Does PMV operate correctly?
YES
Go on, Flash (5Hz)
Check / Countermeasures
YES
YES
198 to 264V
YES
Compressor lead
YES
NO
198 to 264V
YES
Compressor lead
NO
Is there stagnation
of refrigerant?
YES
Check outdoor P.C. board.
Defect → Replace
– 98 –
<In case of SP40 to 56>
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 power supply line.
NO
Check and correct
wiring connection.
YES
Remove and
improve the cause of overload.
Check outdoor P.C. board.
Defect → Replace
NO
Correct power supply line.
NO
Check and
correct connection of wires.
NO
Compressor lock
→ Replace
YES
NO
TE, TS sensor,
Check PMV.
Defective → Replace