GE Arctica PSS 23 Series Anleitung zur Verwendung

MODEL SERIES:

Arctica Side by Side

PSS 23, 25, 27,

29 Cu. Ft.

PUB # 31-9075 06/01

GE Consumer Home Services Training

TECHNICAL SERVICE GUIDE

“CustomCoolTM”

IMPORTANT SAFETY NOTICE

The information in this service guide is intended for use by

individuals possessing adequate backgrounds of electrical,

electronic, and mechanical experience. Any attempt to repair a

major appliance may result in personal injury and property

damage. The manufacturer or seller cannot be responsible for the

interpretation of this information, nor can it assume any liability in

connection with its use.

WARNING

To avoid personal injury, disconnect power before servicing this

product. If electrical power is required for diagnosis or test

purposes, disconnect the power immediately after performing the

necessary checks.

RECONNECT ALL GROUNDING DEVICES

If grounding wires, screws, straps, clips, nuts, or washers used

to complete a path to ground are removed for service, they must

be returned to their original position and properly fastened.

GE Consumer Home Services Training

Technical Service Guide

in any form without written permission from the General Electric Company.

– 1 –

Table of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Use and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

Mechanical Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8

Diagnosis Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10

Temperature Resistance Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Strip Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Control Board Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Schematic Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-15

Illustrated Parts/Exploded Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-20

– 2 –

Introduction

2001 Arctica SxS models are being introduced in

response to the requirement for more energy-efficient

refrigerators by mid year 2001, along with having

feature and operation enhancements.

One of the innovative features is the “CustomCoolTM”

bin. The system will provide optimum rapid cooling,

(ExpressChillTM) , and safely thaw frozen foods

(ExpressThawTM).

The main system components consist of two air

dampers, a DC exhaust fan, reed switch, control

board with buzzer, 3 color light diodes, a heater, and

a thermistor. These components provide feedback

to the main refrigerator processor board, and control

the temperature and air flow in the “CustomCoolTM”

pan at the bottom of the fresh food compartment. A

tray, which has a metal surface on one side is

provided to place the foods on for chill or thaw.

The consumer sets the temperature from the

touchpad controls at the top of the fresh food

compartment, and selects mode of operation, and

length of cycle. Air circulates from the freezer and is

heated or maintained by the thermistor and control

settings.

Three selection choices are provided for the

consumer:

•ExpressThawTM Selection in lbs.

(maintains 410)

.5 lbs.(4 hours)

1.5 lbs.(8 hours)

3.0 lbs.(12 hours)

•ExpressChillTM Selection in 15 minute

increments

15 Minutes

30 Minutes

45 Minutes

•SelectTempTM Selection in preset

temperatures

Citrus (430F) (Heater/Fan on to maintain

430)

Produce (340F)(Double damper open, no

fan)

Meat (300F) (Double damper open, no fan)

The CustomCoolTM pan is tightly sealed and has a

tray which when placed in the metal plate facing

down position, helps provide the chill, and in the metal

plate up position helps to provide thaw. It also

provides a method of catching liquid when thawing

and defrosting. The seals in their orginal position are

extremely important in maintaining fresh food and

feature temperatures.

– 3 –

Customer Use and Care

– 4 –

– 5 –

Operation

The warmed air is circulated through the pan to

satisfy the temperature setting. Response to drastic

temperature change is limited between two and ten

minutes. The main control board located in the rear

of the refrigerator will only respond to 8 degrees of

temperature change per minute as determined by

the resistance of the thermistor.

A double door damper 12VDC operates in the

ExpressChillTM mode, and both sides open to allow

cold air to be drawn in and circulated within the lower

cover. The single damper door is also closed to

prevent loss of cold air and it is returned through the

other side of the diverter back to the freezer

compartment. The double door is cycled open and

shut to maintain the temperature selection selected

by the user, based on thermistor resistance

feedback to the main processor board.

Operation is initated by the consumer when the

selection is made using the touch control at the top

of the fresh food section. The user will have placed

the chill/thaw tray in the proper position, metal

plate facing down for chill, and up for thaw, and

pan closed. A reed switch is mounted on the right

side of the pan to provide a completed circuit when

the pan is tightly closed. Open reed switch

initiates a “beep” from the processor located in the

CustomCoolTM pan assembly.

NOTE: DO NOT MANUALLY FORCE DAMPER

DOORS OPEN, IT WILL DAMAGE THE ASSEM-

BLY

Based on users input one of the three selections is

selected, with multiple inputs indexing to provide

TIME, WEIGHT, or TEMPERATURE and

countdown LED. One of three leds will light the

selection portion of the touchpad to provide

feedback and selection information to the user.

The signal is then sent to the main processor and

uses preset software parameters to provide DC

inputs to the CustomCoolTM processor board

mounted in the cover assembly.

When the selection is made a thermistor located in

the side of the lower cover sends temperature

information (resistance) to the main processor. The

processor software determines what combination

of dampers or heater need to be used to achieve

the desired setting. (See thermistor temp chart on

page 8).

Airflow is directed from a diverter in the freezer

side wall to provide cold air or drawn from fresh

food compartment, and is circulated by a 12VDC

fan in the front of the lower cover. When the

thermistor is calling for warmer air the single

damper motor is energized (12VDC) to open and

the 30 watt strip heater is turned on.

– 6 –

CustomCoolTM feature has a third temperature preset selection which is SelectTempTM. It shows on the

control panel as Citrus (430F), Produce (340 F) and Meat (300F). Note airflow, damper, and fan

operation as described below.

SelectTempTM-Citrus Setting

SelectTempTM-Produce Setting

NOTE: After

ExpressThawTM

cycle is complete,

the pan will reset to

the MEAT setting

(300F) to help

preserve thawed

items until they are

used.

SelectTempTM-Meat Setting

– 7 –

Mechanical Assembly and Disassembly

To Service complete

CustomCoolTM pan and

Component access.

WARNING: MAKE SURE POWER IS

DISCONNECTED!

To Service Components:

1. Remove 1st and 2nd bin from bottom of

fresh food section.

2. Lift up and out to remove the CustomCoolTM

front chill cover (WR17X10915).

3. Remove two screws in front of CustomCoolTM

lower cover (WR31X10006), two screws on

either side of the pan, and one screw in the

back of the housing.

8. The CustomCoolTM assembly is now free, slide

assembly to the right to free from refrigerator

wall. A large StyrofoamTM insert is located in

the raised end of the upper cover housing,

note position for replacement, it must be

repositioned correctly to reassemble. The

upper cover can be removed, components

exposed.

9. Slots molded into the lower pan hold the fan,

single damper assembly, and dual damper

assembly. Pull up to release and push back

into slot to reassemble.

7. Remove the freezer grill mullion (must be

removed prior to CustomCoolTM service),

(WR02X10829) from the freezer side, by

inserting a #2 Phillips screwdriver into the

center of the diverter and turning the screw

counterclockwise. (See illustration below)

4. Remove two screws holding chill water

reservoir assembly to back of refrigerator, and

plastic deflector cover.

5. In the freezer compartment lift up on freezer

baskets to remove (no need to remove rails),

to completely provide access to the lower air

duct cover.

6. Push in on the plastic lower freezer air tower,

and then push up to remove. It is attached by

two tabs one located on the backside of the

freezer and the other rest on the air diverter

asm.

– 8 –

NOTE: It is critical that all seals be replaced to

maintain proper temperatures in the

CustomCoolTM pan and in the refrigerator.

Several variations in the lighting components at

the CustomCoolTM bin have been used in limited

numbers. You may encounter a version that has

light tubes, colored diodes on the pan PC board,

or a colored insert. Service is obvious on each

system. The terms CustomCoolTM has been

referred to as QuickChillTM on some models.

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