Samsung AM072BXV Series, Руководство по обслуживанию

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Samsung Electronics 122
Troubleshooting
4-3-40 / Fan motor starting error
Outdoor unit display
(FAN PBA(FAN1))
(FAN PBA(FAN2))
Judgment Method
• Startup, and then if the speed increase is not normally.
• Detected by H/W or S/W
Cause of problem
• FAN motor connection error.
• Defective FAN motor.
• Defective PBA.
1. Cause of problem
4-3 Appropriate Measures for Different Symptom (cont.)
Yes
Power Off
Replace Fan PBA
Replace Fan PBA
Check the connection wire
Replace a normal combination
Is the resistance
value between different phases of
an Motor (U ↔ V,V ↔ W,W ↔ U)
less than 10Ω?
Is the resistance
between the body of FAN Motor
and chassis MΩ?
Does the Fan motor
connection wire properly connect?
If it is Dual Fan Controller?
If the motor is two,
the combination is normal?
Replace Fan PBA
Restart
When the error is repeated,
replace the Fan Motor
Yes
Yes
Yes
Yes
Normal ccmbination
DB31-00614E, DB31-00614F
DB31-00614G, DB31-00614H
DB31-00651A, DB31-00651B
DB31-00652A, DB31-00651B
DB31-00675A, DB31-00675B
DB31-00675E, DB31-00675F
No
No
No
No