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68 Troubleshooting
LED indicators
Power
The power button does not respond.
Possible causes
Possible solutions
Power cord is not connected
properly.
Re-connect the power cord.
The control panel could be
damaged.
Contact the BenQ authorized service partner for
replacement.
The LED indicator of control panel (keypad) or IR receiver flashes red quickly.
Possible causes
Possible solutions
The main board could be
damaged.
Contact the BenQ authorized service partner for
replacement.
The display can’t be powered on.
Possible causes
Possible solutions
No power is supplied to the
display.
• Re-connect the power cord.
• Check if the power outlet works.
One of the key components of the
display could be damaged.
Contact the BenQ authorized service partner for
replacement.