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domingueztiffanyAug 7, 2025
What to do if Martin MAC 250 Wash Lighting Equipment shows no light and '????' error message?
- CChristina HammondAug 7, 2025
If you see a '????' error message and no light on your Martin Lighting Equipment, the power supply settings may not match your local AC voltage and frequency. Disconnect the fixture and check the settings to correct them if necessary. It's also possible that the lamp is missing or blown. Disconnect the fixture and replace the lamp.