I attempted to get clients Rheem Proterra hybrid water heater working properly as it was giving an error code of A107 which is a water leak detection alarm. There is no signs of water anywhere near the unit or in the safety pan. I was unable to clear the alarm nor was I able to bypass the alarm after several resets. I removed and cleaned the filter and used compressed air to remove dirt from the condensing coils. The unit is now set to electric only however it is still showing the same error code. I will attempt to contact tech support tomorrow and see if they can help diagnose the issue.