bonitron M3460UC, Customer Reference Manual

Page: 36 / 56

M3460
36
5.3. T
ROUBLESHOOTING
Below are suggestions on how to check some common issues.
If you continue to have problems after going over this list, please contact Bonitron.
Table 5-1: Troubleshooting Guide
S
YMPTOM
A
CTION
No lights are ON
▪
Check incoming power.
Ride-Thru will not
become active
▪
Check Enable Input.
▪
Check input and output fuses.
Test Mode Does Not
Raise Output Voltage
▪
Check Enable Input.
▪
Check Test Input.
▪
Check input and output fuses.
▪
Check threshold voltage setting.
Stays in Test Mode
▪
Check Test Input.
Ride-Thru Ready light is
OFF or Ride-Thru Ready
output is open
▪
Check Enable Input.
▪
Check IGBT fuses.
Precharge Complete
light is OFF or
Precharge Complete
output is open
▪
Check Enable Input.
▪
Check Drive Bus voltage level.
Voltage Fault output is
open
▪
Check input fuses.
▪
Check Drive Bus level.
Overtemperature output
is open
▪
Check jumpers on 3460M6 board.
▪
Check threshold voltage setting.
General Fault output is
open
▪
Check Ride-Thru Ready output
▪
Check Voltage Fault output
▪
Check Overtemperature output
Ride-Thru Active output
is closed when Ride-
Thru is not active
▪
Check Drive Bus voltage.
▪
Check threshold voltage setting.
▪
Check jumpers on 3460M6 board.