Delta Elec. Inc.
BS254 & BX254 & BX324
rev.05
Company Confidential LG ______________________ Delta____________
16
2011/04/07
3. TROUBLE SHOOTING
By checking operations during normal usage time, it is possible to carry out judgments on
malfunction to a certain extent. Carry out the following checks before disassembling the
equipment.
Connect the power cord
• Power Supply Unit malfunction
• Check the connection of Power Supply (LVPS BD
CON3002
to MB
P301
)
• Check keypad connection ( MB
P800
to Keypad
P8100
)
• Check voltage (12v, 5v, 3.3v, 2.5v,1.8v,1.2v,…etc) on Main Board.
< Stand-by >
Power: Flashing Green
Light
Temp : OFF
Lamp :OFF
Yes
< Fan error >
Power: Flashing Green
Light6
Temp: OFF
Lamp: Flashing Red
Light
（
（
（
（
1
，
，
，
，
2
，
，
，
，
3
）
）
）
）
• Check the system monitor & fan
• Connector (
P8002
，
P8003
) on Main Board disconnected.
< Power supply error >
Power: OFF
Temp: OFF
Lamp: OFF
Yes
Yes
No
No
