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TM 11574A-OI

3-63

Step Probable Cause Remedy

4 Liquid slugging. Refer to section 3-10b(10).

If fault is not corrected proceed to step 5.

5 Insufficient oil. Refer to section 3-10b(5)(e).

If fault is not corrected proceed to step h (2).

(2) Condenser or evaporator fan.

Step Probable Cause Remedy

1 Condenser or Evaporator Fan: Bent, loose or

striking venturi.

Check and adjust venturi IAW 3-10b(8).

If fault is not corrected proceed to step 2.

2 Worn motor bearings. Refer to section 3-10b(8) and 3-10b(11).

If fault is not corrected proceed to step 3.

3 Bent motor shaft. Refer to section 3-10b(8) and 3-10b(11).

t. Controller malfunction.

(1) Will not control.

Step Probable Cause Remedy

1 Defective sensor. Refer to section 3-10b(19).

If fault is not corrected proceed to step 2.

2 Defective wiring. Check wiring.

If fault is not corrected proceed to step 3.

3 Fuse (F1, F2) blown. Inspect F1 and F2 Fuses IAW 3-10b(18)(t)

Replace fuse as necessary IAW

3-10b(18)(u)

If fault is not corrected proceed to step 4.

4 Stepper motor suction modulation valve circuit

malfunction.

Refer to section 3-10b(14).

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MicroLinks Tech H-CAM Istruzioni per gli Interventi Pagina 157