Electrolux FAC124P1A Instrucciones de operaciones descargar pdf (Pagina 109)

Section 5 Troubleshooting and Testing

5-1

AIR CONDITIONER VOLTAGE LIMITS

Low voltage is a common cause of trouble in the opera-

tion of any room air conditioner. Improper voltage may

cause one or more of the following problems:

1. Unit will not start.

2. Compressor motor cycling on motor protector.

3. Premature failure of motor protector.

4. Blown fuses.

5. Premature failure of compressor or fan motor.

6. Noticeable dimming of lights when air conditioner is

running.

7. Evaporator icing. Low voltage may reduce fan speed

resulting in inadequate air flow over evaporator,

thereby allowing it to ice up.

Low voltage can also be the direct result of inadequately

wired circuits, extension cords, or loose fuses and

connections to the power supply. Voltage may also be a

general condition in the area (a responsibility of the

power company).

All units will start and run on the minimum voltage

stated in the chart to the left (Figure 5-1), and will

perform satisfactorily if the voltage remains constant.

Low voltage caused by defective wiring will not remain

constant under load.

To test for low voltage, use a reliable meter with

sufficient capacity to measure the required voltage. Take

measurements at the electric power entry point and at

the electric outlet serving the air conditioner. Take

readings with the unit off, while the unit is starting, and

again while the unit is running. The lowest reading

should not drop below the lowest value listed in the

chart.

HIGH VOLTAGE

High voltage can be equally troublesome, causing motors

to overheat, cycle on their protectors, or break down

electrically. This problem can only be solved by the

power company.

ELECTRONIC CONTROL

This control is not repairable. If any component in the

control is defective, the entire control must be replaced.

Repair or replace any malfunctioning line

voltage component before testing or replacing

the electronic control. DO NOT assume a service

problem is directly caused by the electronic

control system. A line voltage component

(including power cord and wiring) that has

opened, shorted, grounded or otherwise

malfunctioned, may have created a service

problem.

CAUTION

ETALPEMAN

GNITAR

MUMINIM MUMIXAM

CAV51C1AV5.30C1AV5.621

CAV03C2AV70C2AV352

032/80C2AV5.79C1AV352

Figure 5-1.

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 139 140

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Electrolux FAC124P1A Instrucciones de operaciones Pagina 109

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