American Dryer Corp ADG-464 manual AIR Fault Message

•Check that “NONE” of the thermal and magnetic overloads have “TRIPPED.”

•Check circuitry; ADG-464 Main Panel Wiring Diagram

•Retest

7b) To verify burner fan motor contactor (MS8) operation:

Apply a 110 VAC voltage to MS8’s terminals A1 and A2 and verify that the contactor activates.

•If MS8 cycles this will indicate that its OK. Verify wiring to the device using the ADG-464 Main Panel Wiring Diagram.

•If MS8 “DOES NOT” cycle;

•Check device and replace if necessary

•Retest

8b) Flame Detector & Burner Chassis Ground

To test the flame detector signal refer to Section VI, Part D, Gas Burner and Ignition Systemon page 37 thru page 45.

•If the flame detector test fails:

•Verify that the flame detector and burner chassis connections, located on the left side if the burner, are sound and tight.

•Check wiring (See AD-464 Main Electrical Panel Wiring Diagram and AD-464 Solenoid Junction Box Wiring Diagram).

•Retest

9b) To test the burner controller module itself;

Refer to Section VI, Part D, Gas Burner and Ignition System on page 37 thru page 45 for wiring information, concerning the Burner Controller Module (BCM), refer to the ADG-464 Main Panel Wiring Diagram, the ADG-464 Solenoid Junction Box Wiring Diagram, and the ADG-464 Ladder Diagram.

5.“AIR FAULT” Message

PLC (Programmable Logic Controller) MESSAGE “AIR FAULT”

a)PROBABLE CAUSES;

1a) Incorrect Fan (Blower) Rotation.

2a) Lint Chamber Air Pressure Switch.

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