32
Application Engineering
BULLETIN
AE4-1383 R5
© 2012 Emerson Climate Technologies, Inc.
Printed in the U.S.A.
Table 7
CoreSense
™
Diagnostics Fault Codes
Fault Code Code Description
Protection
Shutdown
(Default)
Protection
Off Time
(Default)
Consecutive
Detections
Until Lockout
Lockout Feature is NOT enabled from the factory except on code 7
1
High Discharge Temp
See Diagram For Setting
Yes 20 Min. 4
2
Excess System Limit Trips -
4 Consecutive System Limit Trips Having 1-15
Min Runtime Each
Yes 5 Min. No Lockout
3
Excessive Demand Cycling -
Default is 240 Cycles Per 24 Hr Period
No - -
4
Locked Rotor -
Compressor Did Not Start Within Alloted Time
Yes 20 Min. 4
5
Demand Present -
No Current Detected Over 4 Hr Period
No - -
6
Phase Loss Detected Yes 20 Min. 10
7
Reversed Phase Detected Yes
Until Module
Is Reset
1
8
Welded Contactor -
Current Detected Without Demand
No
1
--
9
Low Module Voltage Yes 5 Min. No Lockout
10
Module Communications Error No - -
11
Discharge Temperature Sensor Error No - -
12
Current Transducer Error No - -
Lockouts Can Be Enabled By Dip Switch 6 Setting
1
Code 8 Displays For 24 Hr After Last Detection
The M1-M2 relay only opens during a protection shutdown. To reset module, cycle module power.