Symptoms, Diagnoses And Actions - Samsung DV5471AEW/XAA Service Manual

4-4. SYMPTOMS, DIAGNOSES AND ACTIONS

■ The power does not work.
Is the input AC
voltage normal?
Is the terminal block
connection normal?
Is the housing
connection normal?
Is the wire among
the main sub PCBs
in good condition?
Is the sub PBA
normal?
The problem is in the main PCB
assembly. Please replace it.
30 _ Troubleshooting
复件 Hudson_Dryer_SM_E.indb 30
Set the input AC voltage.
No
(Check AC 120/240V)
Yes
Directly connect the terminal block.
(Connect in the order of Live 2, Neutral,
No
Live 1)
Yes
Connect the housing.
(Check 120V for AC power)
No
Yes
Check the wire.
No
Yes
Replace the sub PBA.
No
(Check DC power, signal and key)
Yes
Encourage Ring terminals use, but when use Spade terminals, that
confirm whether confirmed finish.
Neutral
L2 L1
Earth
120V 240V
Neutral
L2 L1
Earth
2012-4-2 15:20:56