American Dryer Corp. ADG-464 - Manual (Page 80)

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b) POSSIBLE SOLUTIONS;
1a) If the EMERGENCY STOP (E-Stop) - rear - does not respond:
• Verify that ALL other EMERGENCY STOP (E-Stop) buttons are pulled out.
• Verify that the rear panel’s disconnect plug is indeed connected. The disconnect plug is to allow
the removal of the rear panel for drying servicing.
2b) Defective EMERGENCY STOP (E-Stop) Switch
• Shut power off (main breaker) remove the rear panel and check switch using an OHM meter;
replace if defective.
• Retest
3b) Wiring Back to Main Electrical Enclosure
• Shut power to the AD-464 dryer (Main Breaker).
• Open “disconnects” on terminal #16 and terminal #17 of TB1; These disconnects are located on
the bottom of the main electrical enclosure.
• Connect an OHM meter to the output side of terminal #16 and terminal #17 of TB1.
• Push in the EMERGENCY STOP (E-Stop) button (opening the switch)
• Does the previous test show that there’s a switch closure opening?
• If yes, refer to paragraph 3b above.
• If no, refer to paragraph 4b below.
4b) Wiring from the EMERGENCY STOP (E-Stop) button to the main electrical enclosure is OK.
• Check REAR PANEL CONTROLS WIRING DIAGRAM
• Check TUMBLER JUNCTION BOX WIRING DIAGRAM
• See paragraph 3a above and retest
3. Rear Panel Control Problems
a) PROBABLE CAUSES;
1a) Rear Panel Disconnect Plug.
2a) Defective Switches.
3a) Wiring back to the main electrical enclosure.