SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING
Pronto® M71™ 20 Part No 1118377
Service Indicator Light Diagnostics
NUMBER OF FLASHES
DIAGNOSTICS CODE
ERROR CODE
DESCRIPTION
SUB CODE*
DETAILS OF
ERROR CODE
POSSIBLE
SOLUTION
1 E 01 User Fault 00 Stall T imeout or user error. Release joystick to neutral and try again.
2 E02 Battery Fault 00 Recharge batteries or replace. Check the batteries and cable. Try
charging the batteries. Batteries may
require replacing.
3 E03 Left Motor Fault 00 Left Motor Short Circuit Check the left motor, connections and
motor cable.
01 Left Motor Open Circuit
02 Left Motor Connection Fault
B-
03 Motor Terminal Connected
to B+
04 Left Motor Voltage Fault
05 L eft Motor Bridge Fault
06 Too Many Hardware Current
Limit Events
07 Current Offset Out of Range
08 Hardware Current Limit Fault
4 E04 Right Motor Fault 00 Right Motor Short Circuit Check the right motor, con nections and
motor cable.
01 Right Motor Open Circuit
02 Right Motor Connection Fault
B-
03 Motor Terminal Connected
to B+
04 Right Motor Voltage Fault
05 Right Motor Bridge Fault
06 Too Many Hardware Current
Limit Events
07 Current Offset Out of Range
08 Hardware Current Limit Fault