Power Module Flash Codes; Ground Reference - JLG T350 Troubleshooting Manual

INTRODUCTION
9-9 Power Module Failure Personality Range Error .................................................................................................................... 2-99
A.8 POWER MODULE FLASH CODES
FLASH
FAULT DESCRIPTION
CODE
Steady - No Fault
Off - Internal Failure, Controller Damaged
1 - Personality Out Of Range Or CRC Fault
2 - Input Active On Power Up Or Undefined Input
3 - Short Circuit Detected In Power Block
4 - Line Contactor Not Responding To Command
5 - Field Loss Detected
6 - Reserved
7 - Battery Voltage High or Low
8 - Controller Hot
9 - Reserved
10 - Communication Loss
11 - System Condition Out Of Range
A.9 GROUND REFERENCE
On engine powered machines, battery negative (X100) should be used as the ground reference for voltage measurements,
unless stated otherwise.
On electric powered machines, the power module B- (X101) terminal should be used as the ground reference for voltage
measurements, unless stated otherwise.
A-14
TROUBLESHOOTING REFERENCE
2.125 Power Module Failure: Check Power Circuits Or Mosfet Short Circuit
2.127 Power Module Failure: Personality Range Error
2.126 Power Module Failure: Internal Error
2.125 Power Module Failure: Check Power Circuits Or Mosfet Short Circuit
2.3 Battery Voltage Too High - System Shutdown, 2.4 Battery Voltage Too Low -
System Shutdown
2.79 Functions At Cutback - Power Module Current Limit, 2.128 Power Module
Too Hot - Please Wait
2.9 CANBUS Failure - Power Module
2.126 Power Module Failure: Internal Error
T350 T500J 3121203