Electrolux EW26SS75QS Wiring Reference

service data sheet

a01461001

ice & Water - aUtOMatic deFrOst

side BY side - r134a

iMpOrtant saFetY nOte

The information provided herein is designed to assist qualified repair personnel only. Untrained persons should not
attempt to make repairs due to the possibility of electrical shock. Disconnect power cord before servicing this appliance.
iMpOrtant
If any green grounding wires are removed during servicing, they must be returned to their original position and
properly secured.

caUtiOn

all electrical parts and wiring must be shielded from torch flame. dO nOt allow torch to touch insulation;
it will char at 200°F and flash ignite (burn) at 500°F. excessive heat will distort the plastic liner.

iMpOrtant: pLease retUrn this sheet tO its OriGinaL LOcatiOn

diaGnOstic MOde

activate:

Press

FZ Up and FZ dOWn temperature pads for up to 10 sec. simultaneously.

Press

FF Up to advance through tests.

deactivate:

Press

FF Up for up to 10 sec. Diagnostic Mode will automatically deactivate after 5

min. of inactivity.

note: silence alarm.

• Tests marked with “*” may not be applicable to this unit and will not be displayed in Diagnostic Mode.
• Tests displayed in diagnostic mode but not described below are for internal purposes only; advance through.
• View UI display for “on,” “off,” “CL,” “OP,” “SH,” “LO,” “HI” or numerical results of tests.
• Listen for operating sounds; feel for heat or air flow as appropriate to determine results of tests.

test

to activate test:

passing result

First Screen

All LED lights on UI illuminated

Second Screen

All segments on UI temperature displays illuminated

Third Screen

Blank UI display, no lights illuminated, no shadowing; “-” and
“+” blinking on FF display side to show location.

Dispenser Paddle

Press disp. paddle

“on” on UI when depressed; “off” when released

Standard Compressor

Press power on-off

Compressor running when “on”; stopped when “off”

Defrost Heater

Press power on-off

Defrost limit switch must be closed; verify “CL” in test 26.
Feel for heat from defrost heater when “on”.
If “OP” in test 26, heater will not activate.

FF Light

Press power on-off

With FF door open, FF lights on when “on”; off when “off”

Water Valve
(Dispenser)

Press power on-off

FF door must be closed.
Be prepared to collect water at dispenser.
Water dispenses when “on”; stops when “off”

FZ Light

Press power on-off

With FZ door open, FZ lights on when “on”, off when “off”

Auger Motor

Press power on-off

FF door must be closed.
Motor running when “on”; motor stopped when “off”

Cube/Crush Solenoid

Press power on-off

FF door must be closed.

do not leave solenoid in activated state.

Solenoid activated when “on”; deactivated when “off”

41* Perfect Temp

Drawer (PTD)

Press power on-off

PTD UI illuminated when “on”, off when “off”

12* VCC Condenser Fan

Press power on-off

Fan running when “on”; stopped when “off”

38* VCC Compressor

Press power on-off

Compressor running when “on”; stopped when “off”

15 Evaporator Fan

Press power on-off

Fan running for

minimum of 10 sec. when “LO” or “HI”;

stopped when “off”. Feedback failure if fan starts but runs
less than 10 sec. Listen for speed change from “LO” to “HI”.

Damper

Press power on-off

With inspection mirror, observe damper open when “OP”;
closed when “CL”

FF Door

Open/close FF door

“CL” on UI when door closed; “OP” when open

FZ Door

Open/close FZ door

“CL” on UI when door closed; “OP” when open

Defrost Limit Switch

Activates
automatically

“CL” on UI when closed; “OP” when open

Ice Chute Door

Depress ice chute
door or press
power on-off

“OP” on UI when manually opened; “CL” when closed.
Or, using “power on-off”, “OP” on UI when solenoid activated,
“CL” when deactivated

FF Thermistor

Activates
automatically

UI shows temperature sensed by FF thermistor; pass if within
10°F of temperature measured with gauge at mid-level FF
thermistor location. “OP-” if open; “SH-” if short

FZ Thermistor

Activates
automatically

UI shows temperature sensed by FZ thermistor; pass if within 10°F of
temperature measured with gage at FZ thermistor location.
“OP” if open; “SH” if short

Ambient Thermistor @
Main Board

Activates
automatically

UI shows temperature sensed at main board; pass if within
+20°F/-10°F of temperature measured with gauge at main
board location. “OP” if open; “SH” if short

Ambient Thermistor
@ UI

Activates
automatically

UI shows temperature sensed at UI; pass if within +20°F/-10°F
of temperature measured with gauge at UI location.
“OP” if open; “SH” if short

Firmware Parameters

Press power on-off

Displays digit sequence; record

Main Board Firmware

Press power on-off

Displays digit sequence; record

UI Firmware

Press power on-off

Displays digit sequence; record

Variable Capacity Compr

essor (VCC) Diagnostics (select models)

If test 38 fails, diagnose as follows:

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ire

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PERFORMANCE DATA NO LOAD & NO DOOR OPENINGS AT 0° F FreeZer & 37° F

Fresh FOOd (2500 ++ V5)

Type A with Run/Start Capacitor

65°F (18°C) Ambient

90°F (32°C) Ambient

Variable Speed

Standard

Variable Speed

Standard

Operating Time

74 to 84%

32 to 40%

100%

55 to 65%

Freezer Temperature

-2° to 2° F

-19° to -17° C

0° to 4° F

-18° to -16° C

-1° to 3° F

-18° to -16° C

-1° to 3° F

-18° to -16° C

Refrigerator Temperature

34° to 39° F

1° to 4° C

34° to 39° F

1° to 4° C

34° to 39° F

1° to 4° C

34° to 39° F

1° to 4° C

Low Side Pressure (cut-in)

5 to 12 psig

43 to 83 kPa

5 to 12 psig

43 to 83 kPa

N/A

5 to 12 psig

43 to 83 kPa

Low Side Pressure (cut-out)

-2 to 2 psig

-14 to 14 kPa

-2 to 2 psig

-14 to 14 kPa

-2 to 2 psig

-14 to 14 kPa

-2 to 2 psig

-14 to 14 kPa

High Side Pressure (last 1/3 cycle)

90 to 105 psig 621 to

724 kPa

90 to 115 psig 621

to 793 kPa

120 to 135 psig

827 to 931 kPa

130 to 155 psig

896 to 1069 kPa

Wattage (last 1/3 cycle)

50 to 60

90 to 130

60 to 70

100 to 140

Amps (running)

0.5 to 0.9

0.7 to 1.1

0.6 to 1.0

0.8 to 1.2

Base Voltage

115 vac (127 vac max)

deFrOst speciFicatiOns

Cabinet Size

thermostat

heater

Cut-in

Cut-out

Watts

Ohms

23’ CD, 26’

25° F (-4° C)

47° F (8° C)

450

Electronic Timer - (ADC) Defrost 24 minutes every 6-96 hours of compressor run time.

cOndenser Fan MOtOr

Watts

rpM

amps

3.1

1100 CW Opposite Shaft

0.03 Running

errOr cOdes

speciaL MOdes

Display

Interpretation

Mode

Display

Activate/Deactivate

(press for up to 10 sec. simultaneously)

- Open FF mid-level thermistor

Manual Defrost

FF UP and FF DOWN/same to deactivate

OP¯

Open FF upper-level thermistor

Display/
Showroom

FZ UP and FF DOWN/
Power-on-Reset (POR)

Open FZ thermistor

Sabbath

FZ DOWN and FF UP/same to deactivate

Shorted FF mid-level thermistor

Diagnostic

No FF or FZ display,
all UI LEDs on.

FZ UP and FZ DOWN/FF UP to deactivate

¯ Shorted FF upper-level thermistor

notes:
• Always check for pin back-outs, pinched or damaged wires before replac-

ing components.

• Determine whether failure is caused by the component, main control board

or wiring.

contact tid before replacing main control board.

• Refer to Service Manual for additional information.

Shorted FZ thermistor

UI to Main Control Board com-
munication failure; on start up

UI Main Control Board communica-
tion error; after a period in operation

Evaporator fan failure