Electrolux EI23CS35KB Diagram

Page of 2
SERVICE DATA SHEET
240389648
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.
28
Dispenser Paddle
Press disp. paddle
“on” on UI when depressed; “off” when released
1*
Standard 
Compressor
Press power on-off
Compressor running when “on”; stopped when “off”
2
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.
3
FF Light
Press power on-off
With FF door open, FF lights on when “on”; off when “off”
8
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”
9
FZ Light
Press power on-off
With FZ door open, FZ lights on when “on”, off when “off”
10
Auger Motor
Press power on-off
FF door must be closed.
Motor running when “on”; motor stopped when “off”
11
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”.
22
Damper
Press power on-off
With inspection mirror, observe damper open when “OP”; closed when “CL”
23
FF Door
Open/close FF door
“CL” on UI when door closed; “OP” when open
24
FZ Door
Open/close FZ door
“CL” on UI when door closed; “OP” when open
26
Defrost Limit Switch
Activates automatically
“CL” on UI when closed; “OP” when open
36
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
29
FF Thermistor 
Mid-level
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
30
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
33
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
35
FF Thermistor 
Upper-Level
Activates automatically
UI shows temperature sensed by upper level FF thermistor; pass if within 
10°F of temperature measured with gauge at upper-level FF thermistor 
location. “OP¯” if open; “SH¯” if short 
34
Ambient Thermistor 
@ UI
Activates automatically
UI shows temperature sensed at UI; pass if within +20°F/-10°F of tem-
perature measured with gauge at UI location. “OP” if open; “SH” if short
0-
Firmware 
Parameters
Press power on-off
Displays digit sequence; record
2-
Main Board 
Firmware
Press power on-off
Displays digit sequence; record
4-
UI Firmware
Press power on-off
Displays digit sequence; record
V
ar
iab
le Capacity Compressor (VCC) Diagnostics (select models)
If test 38 f
ails
, diagnose as f
ollo
ws:
Re
pl
ace
 I
nv
erter 
Bo
ar
d
Ch
eck 
at 
In
ve
rter 
Bo
ar
on 
Compr
ess
or 
(BLK 
and 
RE
wi
re
s)
Is 
In
verter 
Boar
recei
vi
ng 
10
-15 
VAC 
and
 1
-5 
VDC 
fr
om 
M
ain
 
Cont
rol
 B
oar
d?
Ch
eck 
at 
Ma
in 
Contr
ol 
Bo
ar
(B
LK
/W
HT 
and
 R
ED/
BLK
 w
ire
s)
Is 
M
ain
 C
on
tr
ol
 B
oar
sen
di
ng 
10
-15
 V
AC 
and
 1
-5 
VDC 
to 
In
verter 
Boar
d?
no
Ch
eck 
at 
th
co
nn
ecto
fr
om 
the 
po
we
co
rd 
ha
rn
ess
 into 
the 
in
ve
rter bo
ar
d, 
lo
ca
te
in 
th
ma
chine 
 co
mpa
rtm
ent
.
(P
UR 
an
WHT 
wir
es)
Is 
In
verter 
Boar
recei
vi
ng 
11
VAC 
fr
om 
power su
pp
ly?
Ch
eck 
vo
ltage
 su
pp
ly
.
Ch
eck 
and 
re
pair 
po
we
co
rd 
ha
rn
ess
 wi
ring a
nd 
co
nn
ectio
ns
.
no
Ide
ntif
an
re
pair
 dam
age
wir
es 
or 
 
po
or 
co
nn
ectio
ns
 be
twe
en 
Ma
in 
Contr
ol 
Bo
ar
d a
nd 
In
ve
rter 
Bo
ar
d.
yes
Re
mo
ve
 in
ve
rter 
box 
fr
om 
th
co
mpr
ess
or 
and 
check 
re
sista
nce 
acr
oss
 co
mpr
ess
or 
wi
nding 
pairs 
as 
sh
own.
Is 
resi
st
ance 
acr
os
all
 w
indin
pairs
 eq
ual
?
Re
pl
ace
 Compr
ess
or 
and 
In
ve
rter 
Bo
ar
d.
no
Ch
eck 
co
nn
ectio
ns
 fr
om 
In
ve
rter 
Bo
ar
to
 Compr
ess
or
Ar
co
nn
ect
ion
fr
om 
In
verter 
Boar
to 
Comp
ress
or 
int
act
?
yes
Ide
nt
ify 
and 
re
pair 
dam
age
wi
re
or 
po
or 
co
nn
ectio
ns
 
be
twe
en 
In
ve
rter 
Bo
ar
and 
Compr
ess
or
.
no
VCC Re
si
stanc
Che
ck
Ch
eck 
re
sista
nce 
be
twe
en 
te
rm
ina
ls 
and 
2, 
2 a
nd 
3, 
3 a
nd 
1. 
 
If 
all 
re
sis
ta
nces a
re
 e
qua
l, 
co
mpr
ess
or 
is 
ope
ra
tiv
e.
Re
pl
ace
 Ma
in 
Co
nt
ro
l B
oa
rd.
no
yes
yes
yes
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
30
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)
FZ
FF
FZ
FF
--
OP
-
Open FF mid-level 
thermistor
Manual 
Defrost
d
F
FF UP and FF DOWN/
same to deactivate
--
OP
¯
Open FF upper-level 
thermistor
Display/
Showroom
77
77
FZ UP and FF DOWN/
Power-on-Reset (POR)
OP
--
Open FZ thermistor
Sabbath
Sb
Sb
FZ DOWN and FF UP/
same to deactivate
--
SH
-
Shorted FF mid-level 
thermistor
Diagnostic
No FF or FZ display, 
all UI LEDs on.
FZ UP and FZ DOWN/FF 
UP to deactivate
--
SH
¯
Shorted FF upper-level 
thermistor
Notes:
• Always check for pin back-outs, pinched or damaged wires 
before replacing 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.
SH
--
Shorted FZ thermistor
SY
CF
UI to Main Control Board 
communication failure; 
on start up
SY
CE
UI Main Control Board 
communication error; 
after a period in operation
SY
EF
Evaporator fan failure