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warning Airam

Error Code D

Low battery warning — battery voltage has dropped below 3.6V and is inadequate for continued operation.

? What Causes This

Batteries are depleted or reaching end of charge.

✓ How to Fix It

Replace the three LR6 (AA) alkaline batteries with new ones.
After the first low voltage warning, the unit can still function for over 7 days.

This error code appears in:

Airam 7126612 Carbon Monoxide Alarm Detector