Pair of adjacent modules blank; Weak power supply
Potential Symptoms
- Pair of adjacent modules blank even though the diagnostic indicators on the backs of the modules may be lighting and blinking
- Each module will light individually when the second module is not plugged in.
- Green LED on the power supply may be blinking
- Even if we confirm it has good incoming power and we remove its load, we can see that output of the power supply is fluctuating between 8 to 12VDC
Environment
- Product Family: Billboards
- Product: DB-4200, DB-6400
- Component: Power Supply
- Control System:
Cause
- Weak power supply.
Resolution
- Replace power supply.
KB ID: DD2516242
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