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3. Choose the PM to replace by tapping on it or scrolling it with the ARROWS UP and DOWN icons. Then, tap on the
SWITCH icon and confirm to turn off the module once the pop-up appears.
4. Initially, the LED on the PM turns blue. Wait until it turns white: the PM is ready to be replaced.
5. Open the frontal switch of the PM.
6. Unscrew the fixing screws of the PM and save them.
7. Extract the PM until the safety block prevents to continue the extraction.
6. Maintenance