Wesley SCT-7750-8AC - Manual (Page 32)

Owner’s Manual and Service Guide – SC & SCT Series 32
COMPONENTS - ELECTRICAL
Fault Codes and Troubleshooting Chart:
Table 7 TROUBLESHOOTING CHART, cont’d
LED
CODE
PROGRAMMER
LCD DISPLAY
FAULT
CATEGORY
POSSIBLE
CAUSE
FAULT CLEARANCE
4,1 LOW BATTERY VOLTAGE 2
1. Battery voltage < undervoltage cutback.
2. Corroded battery terminal.
3. Loose battery or controller terminal.
When voltage rises above
undervoltage cutoff point.
4,2 OVERVOLTAGE 2
1. Battery voltage > overvoltage shutdown
limit.
2. Vehicle operating with charger attached. When voltage falls below
overvoltage cutoff point.
4,3 THERMAL CUTBACK 2
1. Temperature > 85°C or < -25°C.
2. Excessive load on vehicle.
3. Improper mounting of controller.
Clears when heatsink
temperature returns to
within acceptable range.
4,4 ANTI-TIEDOWN 3
1. Made switches shorted to B+.
2. Made Select 1
“tied down” to select Mode 2
or Mode 4 permanently.
Release Mode Select 1.
MOTOR HOT 3
1. Field resistance > motor hot setpoint. When resistance < setpoint.
MOTOR WARM 3
1. Field resistance > motor warm setpoint. When resistance < setpoint.