American Dryer Corp ADG-464 manual PLC Programmable Logic Controller Error Messages

H. PLC (Programmable Logic Controller) ERROR MESSAGES

The AD-464 diagnostics messages have been provides to aid troubleshooters in diagnosing and repairing dryer problems. The message are intended to direct one to a particular fault area for further testing; not to diagnose the machine for you.

NOTE: Not ALL AD-464 dryer symptoms have faults messages.

The following information describes the action the AD-464 will take while displaying a particular message.

ERROR MESSAGES	AD-464 IDLING	AD-464 RUNNING
CTRL VOLT OFF	Cannot operate machine	Stops dryer
INTAKE	Cannot operate machine	Stops dryer
EXHAUST DSFL	Cannot operate machine	Stops dryer
DOOR OPEN	Cannot operate machine	Stops dryer
SCREEN FAULT	Cannot operate machine	Stops dryer
MOTOR FAULT	Cannot operate machine	Stops dryer
GAS FAULT	Not Applicable	Burner Controller stops heat
AIR FAULT	Not Applicable	Burner Controller stops heat
HEATER FAULT	Not Applicable	Burner Controller stops heat
HI-TEMP FAULT	Not Applicable	Burner Controller stops heat
DRUM FAULT	Not Applicable	Burner Controller stops heat
LEVEL FAULT	Cannot operate machine	Stops dryer
LINE FAULTS*	Cannot operate machine	Cannot operate machine

*This message is generated by the operator terminal itself; it indicates that communication between the operator terminal and PLC (Programmable Logic Controller) have discontinued.

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