York ZF036 Installation Manual

Also see for ZF036: Installation manual

Flash Code DescriptionOn Steady Control Failure - Replace ControlHeart Beat Normal Operation1 Flash Not Applicable2 Flashes Control waiting ASCD11. These flash codes do not represent alarms.3 Flashes HPS1 - Compressor Lock out5 Flashes LPS1 - Compressor Lock out7 Flashes FS1 - Compressor Lock out9 FlashesIgnition Control Locked Out/Ignition Control Failure / Limit Switch Trip / NoJumper Plug in Heat Section10 Flashes Compressors Locked Out On LowOutdoor Air Temperature111 Flashes Compressors Locked Out Because TheEconomizer Is Using Free Cooling113 Flashes Compressor Held Off Due To Low Voltage14 Flashes EEPROM Storage Failure (Control Failure)OFF No Power or Control FailureFlash Code DescriptionHeart Beat Normal Operation1 Flash Not Applicable2 Flashes Pressure / Centrifugal Switch Open with Inducer On3 Flashes Pressure / Centrifugal Switch Closed with Inducer Off4 Flashes Not Applicable5 Flashes Lock Out From Too Many Flame Losses6 Flashes High Temperature Switch Open (Primary or Aux.)7 Flashes Rollout Switch Open8 Flashes Flame Present With Gas Off9 Flashes Gas Valve Stuck Off or On826081-XIM-C-021444 Johnson Controls Unitary ProductsFigure 23: Unit Control BoardTable 24: Unit Control Board Flash CodesComm SetupButtonLast ErrorButtonTest ResetButtonControl BoardLED1Table 25: Ignition Control Board Flash CodesTable 24: Unit Control Board Flash Codes