Toshiba RAV-SM1402CT-E Air Conditioner User Manual


 
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Correct cable connection
Correct central control network address.
Check operation cause.
Check outside devices.
Defect Replace
Check indoor P.C. board (MCC-1402).
Defect Replace
Check central controller (including connection interface) indoor P.C. board.
Defect Replace.
NO
YES
NO
NO
YES
NO
YES
YES
Are not multiple same central
control network addresses connected?
Do outside devices normally operate?
Are outside devices of connector CN80 connected?
Are characteristics of TA sensor resistance value normal?
Are cable connections to communication line U3, U4 normal?
Correct connection of connector.
Replace TA sensor.
* Refer to Characteristics-1.
Correct connection of connector.
Check drain pipe, etc.
Check and correct cabling/wiring.
Check indoor P.C. board (MCC-1402).
Defect Replace
Check indoor P.C. board (MCC-1402).
Defect Replace
Check indoor P.C. board (MCC-1402).
Defect Replace
Replace drain pump.
Check cabling.
NO
NONO
NONO
YES
YES
YES
YES
YES
Is connection of float switch connector
(Indoor control P.C. board CN34) normal?
Does float switch
operate?
Is circuit
cabling normal?
Does drain pump
operate?
Is power of drain
pump turned on?
NO
YES
Is connection of TA sensor connector
(indoor P.C. board CN104) normal?
NO
YES
[L20 error]
[L30 error]
[P10 error]
[F10 error]