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The LP detector is controlled by the battery and if that is dead the control can't be turned on. This is a safety device. The LP detector is near the floor level and has a switch on it. When the battery voltage is low, it beeps to alert you to that. Hope that proves helpful here. Please get back to me if you need more as all follow ups are included in our fee.
Were you able to get this resolved or do we need to dig into this more?