9
Service Information
E9
Thermister 4 open or shorted.
E11
EE Memory error.
P1
Pump circuit open.
All errors or combination show up as ER alternating
with SP. P1 will alternate with SP and ICE for
models 67/68. E3 and E10 both have audible
alarms. P1 does not have an audible alarm.
EI151M55GS
Pin 7
C_Fan
Pin 6
Lights
Pin 5
Pin 4
H_H20
Pin 3
C_Pump
Pin 2
R_Valve
Pin 1
BP_Valve
Relay 1
Relay 2
Relay 3
Relay 4
Relay 5
Relay 6
Relay 7
EI151M55GS
Model
Thermister
1
Thermister
2
Thermister
3
Thermistor
4
Door
Switch 1
Door
Switch 2
EI151M55GS
N/A
IB
N/A
CON
N/A
P60
24
Quick Reference Card
1. Plug in unit.
2. The display may show a SP or --, either is OK.
3. Install a jumper on J3.
4. Hold down warmer, colder,and light button until
display shows model numberand main board beeps.
5. Use warmer/colder to select new model number.
6. Press and release light key.
7. Wait for display to stop flashing.
8. Remove jumper from board.
9. Unplug unit and wait 5 seconds.
10. Plug unit back in.
* Note: Models 2275DWRWS cannot be programmed on the
same board as the other models.
Échelon Model Selection:
T
R
A
H
C
E
C
N
E
R
E
F
E
R
Y
A
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E
R
Model
Part
Number
PIN 7
C_FAN
PIN 6
LIGHTS
PIN 5
PIN 4
H_H2O
PIN 3
C_PUMP
PIN 2
R_VALVE
PIN 1
BP_VALVE
Relay 1
Relay 2
Relay 3
Relay 4
Relay 5
Relay 6
Relay 7
t
h
g
i
L
5
7
/
1
6
R
5
7
1
2
Compressor/
Fan
t
h
g
i
L
3
7
/
1
7
R
5
1
1
2
Compressor/
Fan
t
h
g
i
L
4
7
/
2
7
C
W
5
1
1
2
Compressor/
Fan
1
t
h
g
i
L
0
7
64/78
R
R
W
D
5
7
1
2
Compressor/
Fan
Pan Heat
Mull Heat
CO2175F
Cond Fan
E FAN
Light
Compressor
Hot Gas
Valve
DRAIN HEAT
IM 1
IM 2
2175RF
65/79
Cond Fan
E FAN
Light
Compressor
Hot Gas
Valve
DRAIN HEAT
CO2175DWR
66/80
Cond Fan
E FAN
Light
Compressor
Hot Gas
Valve
MULL HEAT
IM 1
IM 2
CLR2160
67/81
Cond Fan
Compressor
Hot Gas
Valve/ Water
Valve
Circulation
Pump
CLRCO2175
68/82
Cond Fan
Light
Compressor
Hot Gas
Valve/Water
Valve
Circulation
Pump
Ref Valve
Ref Bypass
Valve
Compressor/
Fan
t
h
g
i
L
7
7
1
3
6
V
E
B
5
7
1
2
2275DWRWS
85186
Cond Fan
Bottom Light
Compressor
Top Light
Bottom Valve
Top Valve
61-2175R 120V
62-2175WC 120V
63-2175BEV 120V
64-CO2175F 120V
65-2175RF 120V
66-CO2175DWR 120V
67-CLR2160 120V
68-CLRCO2175 120V
70-2175DWR 120V
71-2115R 120V
72-2115WC 120V
73-2115R 220V
74-2115WC 220V
75-2175R 220V
76-2175WC 220V
77-2175BEV 220V
78-CO2175 220V
79-2175RF 220V
80-CO2175DWR 220V
81-CLR2160 220V
82-CLRCO2175 220V
85-2275DWRWS 120V*
86-2275DWRWS 220V*
E1
Thermistor #1 open
E2
Thermistor #1 shorted
E3
Door #1 open longer than 20 minutes
E5
Thermistor #1 out of range (+10) for more than 12 hours
E6
Thermistor #1 out of range (-10) for more than 12 hours
E7
Thermistor #2 open or shorted
E8
Thermistor #3 open or shorted
E9
Thermistor #4 open or shorted
E10
Door #2 (drawer) open longer than 20 minutes
E11
EE Memory Error
P1
Pump circuit open due to high water level in ice bin
#
#
Description
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2 Thermistor #1 status (Temp, E1 or E2)
16 Adjust thermistor #2 offset
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4
5 Compressor runtime (based on last cycle)
19 View thermistor #2 status
6 Defrost Length (adjustment - up to 99 minutes) 20 View thermistor #3 status
7 Light switch status (0 or 1)
21 View thermistor #4 status
8 Display toggle status (0 or 1)
22 Automatic toggle through relays (switch on and off)
)
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10 Adjust thermistor #1 offset (-10 to +10)
24 Adjust thermistor #2 setpoint
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4
1
Board Components
