American Dryer Corp. MLG-460 - Manual (Page 99)

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H. PLC (Programmable Logic Controller) ERROR MESSAGES
The 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 ML-460 dryer symptoms have faults messages.
The following information describes the action the dryer will take while displaying a particular message.
E
RROR
M
ESSAGES
ML-460 I
DLING
ML-460 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 stop 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.