Huasun FLC-2500, User Manual

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17
When coming across the above situation, deal with them according to following steps,
Turn off the power for the Soft LED display.
Remove the rear protection cloth.
Check every connector whether it is fastened from unworking area, after fastenning
every connector again, turn on the power for testing.
Still without recovering, use multimeter to test whether the AC and DC output voltage
is steady, if without output voltage or unsteady, replace the power adapter.
Replace the power adapter
Plug out the connecter at two end of the power adapter, take out the broken power
adapter from the fixed pocket, replace a new power adapter and fix the locknut of
the connecter.
Make sure the new power adapter is correctly connected, turn on the power for testing
until it is running smoothly.
Recover the rear protecting clothing.
2. Maintain and replace the LED: