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© 2016 Emerson Climate Technologies, Inc.
AE4-1303 R15
Table 8 – CoreSense
™
Communications LED Flash Code Information
The flash code number corresponds to the number of LED flashes, followed by a pause, and then the flash code is repeated.
A lockout condition produces a red flash, followed by a pause, a solid red, a second pause, and then repeated.
Status
Fault Condition
Code Fault Description
Code Reset
Description
Troubleshooting Information
Solid Green
Normal Operation
Module is powered and
operation is normal
N/A
N/A
Solid Red
Module
Malfunction
Module has internal fault
N/A
1) Reset module by removing
power from T2-T1
2) Replace module
Warning LED Flash
Green
Flash Code 1
Loss of
Communication
Module and master controller
have lost communications
with each other for more than
5 minutes
When
communications
are confirmed
1) Check the control wiring
2) Verify dipswitch 8 is "on"
Green
Flash Code 2
Future Use
N/A
N/A
N/A
Green
Flash Code 3
Short Cycling
Run time of less than 1
minute; number of short
cycles exceeds 48 in 24
hours
< 48 short cycles in
24 hours
1) Check system charge and
pressure control setting
2) Adjust set-point of
temperature controller
3) Install anti-short cycling
control
Green
Flash Code 4
Not used with this
compressor family
N/A
N/A
N/A
Green
Flash Code 5
Future Use
N/A
N/A
N/A
Table 7 – Protector Specifications
Module P/N 071-0660-01 071-0660-00 071-0686-01 071-0686-00 571-0065-05 571-0064-06
Compressor Motor Code
TW
TW
TW
TW
TE
TE
Type
Kriwan
Kriwan
Kriwan
Diagnose*
Kriwan
Diagnose*
CoreSense
CoreSense
T1-T2 Voltage (AC)
24
120/240
24
120/240
24
120/240
Power Consumption (VA)
3
3
3
3
5
5
M1-M2 Contact Rating (A)
2.5
2.5
2.5
2.5
2.5
2.5
M1-M2 Minimum Current (A)
> 0.02
> 0.02
> 0.02
> 0.02
N/A
N/A
M1-M2 Maximum Voltage
240
240
240
240
240
240
Trip Point (Ω)
>4.5KΩ
>4.5KΩ
>4.5KΩ
>4.5KΩ
>4.5KΩ
(motor)
>4.5KΩ
(motor)
Reset Point (Ω)
<2.75KΩ
<2.75KΩ
<2.75KΩ
<2.75KΩ
<2.75KΩ
(motor)
<2.75KΩ
(motor)
Reset Time
30 minutes
30 minutes
30 minutes
30 minutes
30 minutes
30 minutes
Features
Motor Protection
Motor Protection, Phase
Protection, Communications
* Diagnose features not supported
