York CZF/CZH Affinity Air Conditioner - Error Codes

York Air Conditioner: CZF / CZH

Re: FAULT CODE DISPLAY

The control will display any fault code that is currently active using the LED's. The control will display the fault code, pause two seconds, and display the fault again. The control will continue the fault code display until the condition that caused the fault code no longer exists.

► If multiple fault codes are present at the same time, the control will display only the most recent fault.

Operational Fault Codes

Sensor or Switch Fault

Wiring-Related Faults

LOCKOUT MODES

Soft Lockout - The control will cause a soft lockout during the following conditions:

• High Pressure Switch - Two opening within 6 hours
• Low Pressure Switch - One opening of the switch for more than 5 seconds.

During the soft lockout mode, the control will do the following:

• De-energize the compressor contactor outputs.
• Flash the appropriate code.

The control will Reset when any of the following occur following removal of the fault condition:

• Power is cycled to the R or Y1 inputs of the control.
• The TEST terminals are shorted for more than 2 seconds.

Hard Lockout - If four soft lockouts occur within a 12 hour period, the control will enter a hard lockout condition.

The control will Reset by one of the two following conditions:

• Power is cycled to the R input of the control.
• The TEST terminals are shorted for more than 2 seconds.