SAMSUNG | 95
1
TROUBLESHOOTING
8
Troubleshooting for Non Inverter Cooling Only (12K) (Cont.)
◆ When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis)
1) Checklist :
(1) Is the indoor unit fan motor properly connected with the connector (CN72)?
(2) Is the AC voltage correct?
(3) Is HALL IC in indoor fan motor properly connected with the connector (CN44)?
(4) Is the running capacitor properly connected with PCB board?
2) Troubleshooting procedure
After unplugging out the power cord should
be reconnected within five seconds.
Does the OPERATION lamp blink?
Does the Solid State Relay(SS71) work
properly?
Is the supply voltage of the fan
motor sufficient?
Test rod location
PCB CN72 Condition
Fan operate About AC 180V
Normal
voltage
pin3, pin5
YES
YES
YES
NO
NO
NO
Check as in the procedur “NO power parts”
PCB is
out of order.
Refer to replace
PCB module
Replace Motor
Fan-Capacitor
Fan motor
should be replaced.
Fan motor
is out of order.
Motor Fan-Capacitor is out of order
YES
-
Test rod location
+
SS71+ SS71-
12V
Normal
Voltage
Micom is
out of order.
Micom
shoud be replaced
DB98_12818A(1)_65~108 4/17/03 5:29 PM Page 95
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