pg9303 replace battery 1

PG9303—Tamper Error

A tamper error occurs when the panel is reading that the sensor’s cover is not attached properly. To address the tamper error on your DSC PG9303 door/window sensor, follow the instructions below.


Step-by-Step Instructions:

1. Open the cover by inserting a coin into the slot, then twist to remove. If a coin is not available, insert a 4mm flat screwdriver into each slot of the plastic cover, then twist to open each side.
open cover 1
2. Ensure the battery is correctly installed and that there are no loose springs or obstructions preventing the cover from fitting snugly with the sensor.
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3. Close the device cover, ensuring the cover snaps completely into place and conforms with the sensor.
pg9303 closing properly to correct tamper error

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