York Package Units: PCG4 Re: Lockout Codes Lockouts due to failed ignition or flame losses may be reset by removing the call for heat (W1) for more than 1 second, but less than 20 seconds, or by removing power from the control for over 0.25 seconds. The control will automatically reset lockout...

Package Unit: PCG4 Re: Blower Motor Not Running ► The PCG4 package units utilize an X-13 style ECM blower motor. Qty Possible Causes: 1 Bad Blower Motor Bad Ignition Control Board (ICB) No Line Voltage CHECKOUT: 1. Check Power Check inlet power...

York Package Unit: PCG4 Re: Flashing Code 3 If, after the induced draft blower is energized, the pressure switch does not close, the control will keep the blower on and wait for the switch to close. The diagnostic code for this problem is 3 short flashes followed by a pause. ► The diagnostic...

York Package Unit: PCG4 Re: Flashing Code 4 Code 4 = Limit Switch or Roll-Out Switch Open ► The automatic-reset primary Limit Switch and the manual-reset Roll-Out Switch are wired in series, so either limit open will generate a Code 4. ► NOTE: If the limit circuit remains open for more than 5...

York Package Unit: PCG4 Re: Flashing Code 5 Code 5 = Limit Switch Circuit Open for More Than 15 Minutes ► The automatic-reset primary Limit Switch and the manual-reset Roll-Out Switch are wired in series, so either limit open will initially generate a Code 4. ► If the limit circuit remains...

York Package Unit: PCG4 Re: Flashing Code 6 If, after the induced draft blower is energized, the pressure switch does not close, the control will keep the blower on and wait for the switch to close. The diagnostic code for this problem is 3 short flashes followed by a pause. Multiple Code 3's...

York Package Gas/Electric: PCG4 Re: Flashing Code 7 Code 7 = Failure to Sense Flame (3 Failed Ignition Attempts) Qty Possible Causes: 1 Dirty Flame Sensor Bad Glow Plug 1 Clogged Burners No or Low Gas Pressure 1 Bad Gas Valve Bad...