American Dryer Corp ADG-464 manual No Control Power Blue Light Off

•If RTD (Resistive Temperature Device) probe is defective, replace the probe.

NOTE: If ALL systems check out fine, call the ADC Service Department at (508) 678-9000.

2.No Control Power (“BLUE” Light Off)

a.PROBABLE CAUSES;

1a) Line voltage from main fused disconnected.

2a) Main disconnect on the ADG-464 is turned off.

3a) OL11 (overload #11) tripped.

4a) Fuse #1 is blown.

b.POSSIBLE SOLUTIONS;

1b) Verify main line voltage to ADG-464

•If line voltage is present go to paragraph #2b below.

•If line voltage is not present check fused disconnect and retest.

2b) Attempt to turn the ADG-464 main power handle to the “ON” position.

•If the switch does not engage, verify that sprinkler power is “ON” (“RED” light on main door).

•If “no,” refer to paragraph #1b above.

3)Open main enclosure and verify that OL11 has not tripped.

•If yes, check circuit, restart and test.

•If no go to section #3 on page 54.

•Verify that fuse #1 has not blown, check that the “RED” L.E.D. indicator is off.

•If “on” (fuse block L.E.D. “ON”), check circuit, replace fuse and test.

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