2.Failed overload protector...

a.Incorrect overload setting.

3.Blown drive motor and blower (fan and impellor) motor fuses or overloads.

4.Failed motors (both blower [fan and impellor] motor and drive motor).

5.Failed microprocessor controller (computer).

G.Microprocessor controller (computer) display board light emitting diode (L.E.D.) display reads “BAD PROBE” continuously and the buzzer (tone) sounds every 30-seconds...

1.Fault in microprocessor heating sensing circuit...

a.Failed microprocessor temperature sensor.

b.Failed microprocessor controller (computer) display board.

c.Broken wire or connection between the microprocessor controller (computer) and the microprocessor temperature sensor.

H.Microprocessor controller (computer) L.E.D. display reads “DRY ENABLE” fault...

1.Front or rear doors open.

2.Dryer is not in level position.

3.Broken connection between level switch.

4.Level switches need to be adjusted.

5.Input from Programmable Logic Controller (PLC) is not present...

a.TSX07 does not have supply power.

b.Failed TSX07 PLC.

6.Failed microprocessor controller (computer) input/output (I/O) board.

I.Microprocessor controller (computer) I/O board display reads “FRONT DOORS NOT CLOSED” or “REAR DOORS NOT CLOSED.”

1.Fault (open circuit) in front or rear switch circuit door.

2.One (1) of the front or rear door switches has failed.

3.One (1) of the front or rear door switch contact magnets is either missing or is broken.

4.Broken wire or connection in front door.

105

Page 109
Image 109
American Dryer Corp ML-310 Phase 7 service manual 105