Worked 2 weeks ago. Started the FT at it's 2 week interval. Air chime came on as it should, Aired up to 110 and level. Air alarm chime went off at 70 psi as normal. Went to use the HWH air leveling panel and it is dead. No lights, nothing.<br/>Please advise where to start. It did get to drive height but since the panel is dead, no green travel light. It goes into gear and...