American Dryer Corp. ADG-464 - Manual (Page 99)

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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.
* This message is generated by the operator terminal itself; it indicates that communication between the
operator terminal and PLC (Programmable Logic Controller) have discontinued.
E
RROR
M
ESSAGES
AD-464 I
DLING
AD-464 R
UNNING
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