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1. Be careful of electric shock or disconnecting the parts while troubleshooting.
2. First of all, check the connection of each part terminal with wiring diagram.
3. Voltage between each terminal is AC 220-240V while applying an electric current.
(except secondary part of the transformer and sensors)
CAUTION
■ WD-803(4)0(W)(F)(H)/WD-102(4)1(5)W(F)(H)/WD-1042F(H)
2
1
3
NO
NO
YES
YES
YES
NO
NO
YES
PWB ASSEMBLY (POWER)
Check the fuse?
Replace PWB assembly
(Power).
Reconnect and repair
connector.
Replace PWB assembly
(Main).
When measuring the voltage of the outlet,
is the voltage AC 220-240V?
When measuring the voltage of blue
connector of the PWB assembly (Power),
is the voltage AC 220-240V?
Is connector disconnected or
or is the contact bad or cut?
Is wire of the PWB assembly (Display)
disconnected?
Replace PWB assembly (Display).
(6871EC2001A)
NO POWER