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garciamelissaAug 1, 2025
What to do if my promethean PRM-30 cannot be turned on?
- MMarilyn WattsAug 1, 2025
If your Promethean Projector detects an abnormal condition, unplug the AC power cord, then plug it back in to attempt turning it on. If the projector turns off again, unplug the AC power cord and contact your dealer or service center for assistance and a checkup.