Inoperable Deficiency: OOS Arrived on site for trouble on panel. Customer has a system down. The panel has a short on loop one and has 151 troubles. Customer previously had damage to hvac unit in the garage where a truck knocked a unit down. Walked garage to look for obvious damage. Will need a lift to check garage ceiling and trace out wire. Also will need third party vendor and hvac to check units and to check fire panel. System is compromised and is not functioning properly. Need to return with 2 techs and all third parties to rectify system. Panel is not operational on departure. SYSTEM DOWN!!!!!