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3. TROUBLE SHOOTING
Connect the power cord
Yes
< Power supply error >
< System Error >
Power: Blink
20
< Stand-by >
Power：ON
Temp : OFF
Lamp :OFF
No
Power: OFF
Temp: OFF
Lamp: OFF
No
Temp: OFF
Lamp: OFF
No
Waiting
Power On
• Power Supply Unit malfunction
Yes
•Check the connection firmly between of Power Supply BD
CN701
connection.
• Check
keypad BD and MB
• Lamp Cover A'ssy is not attached
Yes
• Thermal break sensor is open.
• Connector
(CN04)
on keypad Board disconnected.
connection
CN101
and MB
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