Technical Literature

5
CoreSense
TM
Flash Code Description
Alert Code Alert Condition Lockout Level
Lockout
Indication
Normal Run
Solid Green
Normal operation, no trip. N/A N/A
Code1
Yellow Flash 1
Long run time. Compressor is running for more than 18 hours at
full load. (Code1 is disabled in Heat Pump mode.)
N/A N/A
Code2
Yellow Flash 2
Compressor Pressure trip. Compressor runs for 12sec to 15min
followed by a compressor trip condition lasting longer than 7min.
4x
consecutive,
10x total
Red: Flash 2
Code 3
Yellow Flash 3
Pressure switch cycling. Compressor runs for 12sec to 15min
followed by a compressor trip lasting between 35sec to 7min.
4x
consecutive,
10 total
Red: Flash 3
Code4
Yellow Flash 4
Locked rotor. Compressor trips within a compressor run time of
12sec and does not start within 35sec.
10x
consecutive
Red: Flash 4
Code5
Yellow Flash 5
Compressor moderate run trip. Compressor runs for 15min to
18hrs followed by a compressor trip lasting longer than 7min.
4x
consecutive,
10x total
Red: Flash 5
Code6
Red Flash 6
Open start circuit. Module has detected Y or Y1, and current in
the R winding of the compressor and no current in the S winding
of the compressor for 2 seconds.
1 occurrence Red: Flash 6
Code7
Red Flash 7
Open run circuit. Module has detected Y or Y1, and current in
the S winding of the compressor and no current in the R winding
of the compressor for 2 seconds.
1 occurrence Red: Flash 7
Code8
Yellow Flash 8
Welded Contactor. Module has detected line currents in R and S
windings, and Y or Y1 is at 0 VAC for 15 seconds.
N/A N/A
Code9
Yellow Flash 9
Low Voltage. Module has detected a 24 VAC supply voltage
below 17 VAC +/- 1 VAC for 2 seconds
N/A N/A
Code10
Red Flash 10
Over Current Protection. PROT terminal has above a 2A input
for more than 40 milliseconds. 1 occurrence Red: Flash 10
CORESENSE
TM
DIAGNOSTIC MODULE (CONT.)