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Relay 1 water pump not working as expected with GXTank 140

Made an installation with a Cerbo, Tank 140 and a water pump that needs 7,5A.

Configured it in the OS as relay 1 for a pump. Configured the pump to see the sensor of the fresh tank from the tank 140.

Connected the COM on the relay 1 to the fuse in 12V positive. Connected the NO to the pump.

No matter pump button ON or OFF, pump always receive +12V.

Made the same installation in other vehicle without the GX Tank and works perfect. Where am I wrong?


cerbo gxtank monitorgx 140
2 |3000

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