American Dryer Corp MLS-460 manual If YES, refer to a If NO, refer to b

3b) Wiring from the “EMERGENCY STOP” (E-Stop) button to the main electrical enclosure is faulty or incorrect.

•Check REAR PANEL CONTROLS WIRING DIAGRAM

•Check TUMBLER JUNCTION BOX WIRING DIAGRAM

•Refer to section 3 on page 57 and retest

Drum Forward and Reverse Function

c. PROBABLE CAUSES;

1)Rear panel disconnect plug

2)Defective switches

3)Wiring back to the main electrical enclosure d. POSSIBLE SOLUTIONS;

1)If either the Drum forward or reverse functions (rear) do not respond

•Verify that the rear panel controls disconnect plug is indeed connected. This disconnect plug allows for the removal of the rear control panel for dryer servicing

2)Defective Forward and Reverse Switch

•Shut power off at the main breaker and remove the rear panel and check switches using an OHM meter; replace if defective

•Retest

3)Wiring Back to Main Electrical Enclosure

•With the control voltage “ON” front panel “green” button

•Select “1” on the “O UNLOAD 1” switch located on the rear controls panel

•Have someone PRESS either the forward or reverse buttons while you watch the input L.E.D.’s (light emitting diodes) of the programmable controller. Do the associated L.E.D.’s light?

PLC PIN 20 = DRUM FWD., REAR PANEL

PLC PIN 21 = DRUM REV., REAR PANEL

•If “YES,” refer to section 3a

•If “NO,” refer to section 3b

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