MicroLinks Tech H-CAM Instrukcje Operacyjne Pobierz pdf (Strona 148)

TM 11574A-OI

3-54

l. RU will not start or starts then stops.

(1) No power to unit.

Step Probable Cause Remedy

1 External power source OFF. Ensure external power source is ON.

If fault is not corrected proceed to step 2.

2 Start-Stop switch OFF or defective. Check start-stop switch is in the ON position

and not defective.

If fault is not corrected proceed to step 3.

3 Circuit breaker tripped or OFF. Check circuit breaker is set to ON.

If fault is not corrected proceed to step 4.

4 Autotransformer not connected. Ensure Autotransformer is connected IAW

2-17a(2).

If fault is not corrected proceed to a (2).

(2) Loss of control power.

Step Probable Cause Remedy

1 Circuit breaker OFF or defective. Check circuit breaker is set to ON.

If fault is not corrected proceed to step 2.

2 Control transformer defective. Replace control transformer IAW 3-

10b(18)(g).

If fault is not corrected proceed to step 3.

3 Fuses (F3A, F3B) blown. Check for blown fuses IAW WP 3-10b(18)(i).

Replace blown fuse IAW 3-10b(18)(j)

If fault is not corrected proceed to step 4.

4 Start-Stop switch OFF or defective. Check start-stop switch is in the ON position

and not defective IAW 3-10b(18)(l).

Replace defective start-stop switch IAW 3-

10b(18)(m).

If fault is not corrected proceed to a (3).

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MicroLinks Tech H-CAM Instrukcje Operacyjne Strona 148