Sharp R-323T Especificaciones descargar pdf (Pagina 11)

6. If the Continuity Test indicated in TABLE 2

measures an open, remove the heater leads at

Terminals 1 & 2 and install a jumper across ter-

minals 1 & 2 (See Figure 3 for location). Repeat

the Continuity Check.

If after installing the jumper, the Ohmmeter now

shows a short, the heater has the open circuit

and must be replaced. Remove jumper from ter-

minals 1 & 2.

If the Ohmmeter still shows an open, there is an

open circuit in the control panel (make sure the

Selector switch is still in the AC position and the

fuse is good). The control assembly should be

detached and layed back according to the first

four steps of the selector switch removal proce-

dure on page 12-20. Make sure all the wiring is

correct according to the wiring diagrams and

Figure 4. If wiring is proper, remove the jumper

from terminal 1 & 2 and isolate the open in the

Control Assembly as follows:

a. With the AC cord disconnected, unfasten the

Control Assembly and lay back to view the

control wiring as described above. Without re-

moving any wires, place a jumper across ter-

minals W1 & W2 as illustrated in Figure 5.

Note: Access to the terminals can be gained

by probing through the end of the Quick

Connectors as shown in the illustrations.

If the AC heater is now energized when

power is applied, replace the Thermostat. If

not, remove jumper and go to (b.) below.

b. With the AC cord disconnected, lay back the

Control panel as described above and place

one jumper from AC2 to W2 and another

jumper from AC1 to W1 according to Figure 6.

If AC is now energized when power is applied,

replace the Selector Switch per replacement

procedure on page 12-20.

7. If the continuity test in Step 4 indicates normal

heater ohms (76-85), then the problem is not in

the electrical circuit. Make sure the supply volt-

age is within 108 to 132 volts range and check

heater position to insure it is securely installed

in its well.

Poor Cooling in AC Mode

If the refrigerator is cooling poorly in AC yet satis-

factory in the GAS mode, the problem could be one

of the following:

a. Low voltage to heater (or extremely high volt-

age).

b. Heater not within wattage specification

c. Heater not secure in heater well

1. Check for 110 volts to the heater at Terminals 1

and 2 (See Figure 3 for location). The voltage

range limitation is 108 - 132 Volts AC. Note: Do

not disconnect the heater when this measure-

ment is taken. If voltage reading is acceptable,

go to Step 2.

2. Disconnect the AC supply cord and use an

Ohmmeter to measure the HOT and NEUTRAL

prongs of the AC connector, as in Figure 7. The

measurement must be between 76 Ohms and

85 Ohms (or, if the heater is still hot, between 82

ohms and 91 ohms). Replace the heater if out-

side these stated limits.

3. If measurements in Steps 1 & 2 are acceptable,

the problem is not in the electrical circuit. Inspect

the heater installation to insure the heater is in-

serted to the "stop" bead and there is no physi-

cal damage.

Refrigerator Not Functioning in Gas Mode

USE EXTREME CAUTION WHEN WORKING ON

OR NEAR A PROPANE GAS SYSTEM. DO NOT

SMOKE NEAR A PROPANE GAS SYSTEM. DO

NOT USE AN OPEN FLAME TO CHECK THE

PROPANE GAS SYSTEM FOR LEAKS. A LOOSE

PROPANE SUPPLY LINE CONNECTION ALLOWS

GAS VAPORS TO ESCAPE. IF YOU CAN SMELL

FUMES, YOU HAVE HALF THE INGREDIENTS

FOR AN EXPLOSION. AN EXPLOSION CAN RE-

SULT IN SEVERE PERSONAL INJURY OR DEATH.

Continued on next page.

WARNING

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