American Power Conversion FM, DX manual Displayed Alarm Message, Action Required, Humidifier

Displayed Alarm Message	Action Required
Humidifier Cylinder Depleted	• Replace the disposable cylinder.
	• Clean the reusable humidifier cylinder (optional).
Humidifier Cylinder Full When	• Check the humidifier fill and drain valves for clogging.
Off	• Check the operation of the humidifier drain solenoid.
Humidifier Drain Malfunction	• Ensure that the drain is free of any debris.
	• Verify the operation of the drain solenoid valve.
Humidifier Excessive Foam	• Verify that the humidifier water supply is not using conditioned water and
	that the water does not contain contaminates.
	• Check the humidifier water supply hose for dirt and contaminates.
	• Drain the humidifier canister and refill with fresh water.
Humidifier Excessive Output	• Reduce the humidifier sensitivity setting on the display interface (Path:
Reduction	Main > Setup > System # > System Config > Humid. Sensitivity) if
	necessary.
Humidifier Fail	• Check the event log for other humidifier alarms.
Humidifier Fault Tolerance	• Humidifier has experienced three faults within 30 minutes.
Exceeded	• Reset the humidifier from the display interface (Path: Main > Setup >
	Module > [Module Alarm Occurred in] > Module Control > Reset
	Humidifier).
	• Check the alarm status and event log for humidifier alarms and perform
	required actions.
Humidifier Internal Memory	• Check the controller connections to the humidifier for electrical discharge.
Error
Humidifier No Power	• Verify that the humidifier circuit breaker has not been tripped.
	• Confirm that the line voltage connections to the cylinder are secure and
	correct.
Humidifier Requires	• Verify the operation of the humidifier and perform preventive maintenance.
Maintenance	• Reset the maintenance alarm for the humidifier at the display interface.
Humidifier Water Conductivity	• Verify that the proper voltage is being applied to the humidifier cylinder.
High	• Confirm that the line voltage connections to the cylinder are secure and
	correct.
	• Ensure that the water supply to the humidifier has not been conditioned.
	Conditioned water can increase water conductivity.
Humidifier Water Level Low	• Verify that the humidifier water supply is open and flowing to the humidifier
	water connection.
	• Confirm that the inlet water strainer on the humidifier fill solenoid is clear
	and free of debris.
	• Ensure that the water pressure is at least 206 kPa (30 psig).
	• Verify the operation of the fill solenoid valve.
	• Check the drain valve for debris which may prevent the valve from closing.
	• Check the steam supply hose for kinks or sags that may cause back pressure.
Module # Failed	• Check the event log for other alarms for this Module.
Module Powered Up	• The Module has successfully started.

NetworkAIR FM DX 60 Hz Operation, Maintenance, and Troubleshooting 57