Toshiba RAV-SM560BT-E - Manual (Page 121)

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121
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14-4. Troubleshooting for Each Check Code
[1A error]
• For RAV-SM560AT-E, CN300 changes to
CN301, and CN301 to CN300, respectively.
Are connections of CN301 and
CN300 of CDB correct?
Does the fan rotate without trouble
when handling the fan with hands under condition
of removing CN301 and CN300 from CDB?
The status that the resistance values
between leads below are 50 to 80
for 40W motor (ICF-140-43) and 25 to 55
for 60W motor (ICF-140-63-1) is normal.
Between (Red lead) and (White lead)
Between (White lead) and (Black lead)
Between (Black lead) and (Red lead)
of motor winding of connector (CN301)
The status that there is
5k to 20k resistance values between
(Yellow lead) and (Pink lead)
of motor position detection of connector
(CN300, CN302) is normal.
Normal fan motor Defective fan motor
NOTE :
However, GND circuit error inside of the motor is rarely detected even if the above check is carried out.
When the circuit does not become normal even if P.C. board has been replaced, replace outdoor fan motor.
Objective P.C. board
Fan motor winding
Motor position detection
RAV-SM560AT-E RAV-SM800AT-E
Control P.C. board
CN300
CN301
CDB P.C. board
CN301
CN300
1 2
2 3
3 1
1 4
(CDB error)
NO
NO
NO
YES
YES
YES
YES
CN301
CN300