Maytag JUC2450ARS Operations Instructions download pdf (Page 13)

Troubleshooting

To avoid risk electrical shock, personal injury, or death,

always disconnect electrical power source to the freezer

before attempting to service, unless test procedures require

power to be connected. When removing any wiring from terminals they must be replaced on the same terminals.

Ensure all ground wires are connected before certifying unit as repaired and/or operational.

WARNING

PROBLEM CHECK POSSIBLE CAUSE REMEDY

Interior too cold or

contents freezing.

Thermostat setting Thermostat set to too cold

of a setting for ambient

conditions.

Adjust thermostat warmer

setting (lower number on

knob).

The evaporator for the

presence of a uniform

frost pattern. Is the frost

confined to left wing and

the left side of the back?

Note: Compressor should

be operating for least 5

minutes with door open to

perform this check.

Refrigerant leak or low

refrigerant charge in the

sealed system.

Refrigerant volume in

evaporator is not sufficient

to cool the region of the

plate where the

evaporator plate sensing

thermostat’s thermo bulb

mounts. Therefore the

control thermostat never

reaches its cutout

temperature and the

compressor operates

100% of the time. The

remaining evaporator

volume is sufficient to cool

the air temperature below

freezing.

Locate and correct cause

of refrigerant leak.

Replace drier, evacuate

and recharge sealed

refrigerant system with the

proper amount of charge

as listed on the unit’s data

plate.

Thermostat (compressor

control) thermo bulb

mounting or routing.

Mounting location

incorrect. Model should be

on the right wing of the

evaporator plate. All other

models mount at the rear

top center of the

evaporator.

Relocate thermo bulb to

proper location.

Thermostat sensing tube

(capillary tube) resting on

or above compressor

dome in mechanical

compartment causing

false sensing.

Reroute sensing tube

clear of compressor dome

area.

Thermostat thermo bulb

mounting bracket not

secure, causing false

sensing.

Securely tighten thermo

bulb mounting bracket.

Insufficient thermo bulb

contact area on

evaporator U-shaped loop

with 3-inch long legs

required. Bracket should

be located at mid point of

each 3-inch leg. Both legs

secured under bracket.

Adjust thermo bulb contact

area to achieve sufficient

contact. A U-shaped loop

with 3-inch long legs is

required. The mounting

bracket should be located

at the mid-point of each 3-

inch leg. Both legs

secured under bracket.

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Maytag JUC2450ARS Operations Instructions Page 13

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