Friedrich ptac series service manual on the led readout digital control panel the unit can be configured to display the room temperature by simultaneously pressing the cool and high fan buttons for three seconds the built in the ptac unit operation and will store service codes if timers and delays on the ptac may be . I need your advice regarding ge air conditioner error codes i understand why given how well ge protects the meaning of its error codes so tell me what to . Just installed 3 6000 and 1 18000 units new condenser units cool fine but when in auto mode units do not cool or heat been told all units must be in same mode for them to work this is not true they dont work correctly except in cool mode. If your friedrich air conditioner doesnt work you can repair it for free theres no need to use expensive service friedrich ac error codes will help you to fix . Unit is flashing on red led of the outdoor board wen it switches off on the control completley any idea wat it could be march 3 2016 reply kuppusamy manimaran
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