American Dryer Corp. ADS-464 II - Manual (Page 58)

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• Check that ALL “EMERGENCY STOP” (E-Stop) buttons are disengaged (out).
• Check fuse 10’s blown fuse indicator.
• Check wiring; refer to ADS-464 Main Panel Wiring Diagram.
• Retest.
7 “DRUM FAULT” Message
PLC (PROGRAMMABLE LOGIC CONTROLLER) MESSAGE “DRUM FAULT”
a. PROBABLE CAUSE;
1) Stop motion detector module or sensor. With control voltage “ON” (“green” push-button), use the
pendant control in “LOAD POSITION” to rotate the tumbler (basket).
Note input #0, 10 on the PLC, stop the tumbler (basket) and wait for device’s latched relay to de-
energize. The time from when the tumbler (basket) stopped to the relay de-energizing should be
15-20 seconds.
• If the de-energizing time is satisfactory, the unit is operating correctly:
• Check circuit wiring, and Retest (refer to ADS-464 Main Panel Wiring Diagram).
• If the de-energizing time is incorrect:
• Adjust the “time adjust” on the stop motion detector module and retest.
• If the input # 0, 10 on the PLC is not on after several rotations of the tumbler (basket):
• Check fuse 2 and replace if necessary.
• Rotate the tumbler (basket) using the pendant control in “LOAD POSITION.” Does the module’s
L.E.D. (light emitting diode) respond?
• If “YES,” adjust the “sense time” until the L.E.D. (light emitting diode) stays on for 15-20
seconds after tumbler (basket) stops, then refer to section 1 above
• If “NO,” check:
• Inductive proximity sensor for damage.
• Sensor distance from targets is 3/16’. The proximity sensor is located in the same area as
the tumbler (basket) junction box.
• Inductive proximity adjustment.
• Tumbler target.
• Stop motion detector module.