Delta Elec. Inc.
DP-3510 YYDA & DP-2510 YYDA
rev.00
Company Confidential LGE_______________________ Delta____________
18
2007/11/30
3. TROUBLE SHOOTING v1.1
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.
Waiting
Power On
No
No
Yes
Yes
Connect the power cord
POWER
: Light
READY
: Light
Standy-by-ready
POWER
:
7
Blinks
Over Temp LED:
ON
• Cable of Power Supply Unit and thermostat Ass’y.
• Check the connection of Power Supply (CON900 to CN2)
• Power Supply Unit malfunction
• Check keypad connection
•Lamp Cover A’ssy is not attached
•Switch (CN343) is open
•Thermostat is not attached.
•Connector (CN342) disconnected.
•Thermal sensor PWB Ass’y check.
Yes
Press “power key”
POWER
: Light
READY
: OFF
Power ON
No
POWER
:
9
Blinks
•DMD chip error.
•DMD Board PWB Ass’y check.
Yes
Yes
Yes
Yes
No
No
No
No
No