MicroLinks Tech H-CAM Instrucciones de operaciones descargar pdf (Pagina 150)

TM 11574A-OI

3-56

(2) Refrigeration System.

Step Probable Cause Remedy

1 Shortage of refrigerant. Check refrigerant IAW 3-10b(2)(e).

Recharge refrigerant IAW 3-10b(4).

If fault is not corrected proceed to step 2.

2 Evaporator coil covered with ice. Refer to section 3-11d.

If fault is not corrected proceed to step 3.

3 Evaporator coil plugged with debris. Refer to section 3-10b(11).

If fault is not corrected proceed to step 4.

4 Evaporator fan(s) rotating backwards. Refer to section 3-10b(11)/3-10b(12).

If fault is not corrected proceed to step 5.

5 Defective evaporator fan motor/capacitor. Refer to section 3-10b(13).

If fault is not corrected proceed to step 6.

6 Air bypass around evaporator coil. Check for foreign air restrictions.

If fault is not corrected proceed to step 7.

7 Controller set too low. Reset.

If fault is not corrected proceed to step 8.

8 Compressor service valves or liquid line

shutoff valve partially closed.

Open valves completely.

If fault is not corrected proceed to step 9.

9 Dirty condenser. Refer to section 3-10b(7).

If fault is not corrected proceed to step 10.

10 Compressor worn. Refer to section 3-10b(5).

If fault is not corrected proceed to step 11.

11 Current limit (function code Cd32) set to

wrong value.

Refer to section 2-6e.

If fault is not corrected proceed to step 12.

12 Suction modulation valve malfunction. Refer to section 3-10b(14).

n. Unit runs but has insufficient cooling.

(1) Compressor.

Step Probable Cause Remedy

1 Compressor valves defective. Refer to section 3-10b(5).

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

1 2 ... 145 146 147 148 149 150 151 152 153 154 155 ... 227 228

Sin comentarios

MicroLinks Tech H-CAM Instrucciones de operaciones Pagina 150