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TM 11574A-OI

3-53

i. Hot liquid line.

Step Probable Cause Remedy

1 Shortage of refrigerant. Repair leak and recharge.

j. Frosted liquid line.

Step Probable Cause Remedy

1 Receiver shutoff valve partially closed or

restricted.

Open valve or remove restiction.

If fault is not corrected proceed to step 2.

2 Restricted strainer dryer. Replace strainer dryer.

k. Frosted expansion valve.

Step Probable Cause Remedy

1 Ice plugging TXV orifice. Apply hot wet cloth to TXV.

If fault is not corrected proceed to step 2.

2 Moisture indicated by increase in suction

pressure.

Install dryer.

If fault is not corrected proceed to step 3.

3 Plugged TXV strainer. Clean strainer or replace TXV.

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MicroLinks Tech H-CAM Istruzioni per gli Interventi Pagina 147