20
CHARGEMASTER VCM
5201247 Rev. C
8. TROUBLESHOOTING
Problem
Cause
Remedy
No output
voltage, front
display off
AC Main input voltage too
low or not present
Restore or correct AC Main input voltage
Fuse at the rear of the unit is
defective
Replace fuse 5 x 20 mm 3.15A
Little fuse 218 3.15 or Bussman GDC 3.15A
Power supply is defective
Return power supply to factory for repair
No output voltage
readings on the
front display
A setpoint has not been
specified through the [
p
]/
[
q
] buttons or the Remote
Voltage Programming is
activated
Specify setpoint with the [
p
]/[
q
]
buttons or with the proper signal when
Remote Voltage Programming is in use;
disable Remote Voltage Programming
function to return to front panel control
Remote On/Off function is
activated
Close the external contact connected to
the D-Sub connector to switch the power
supply on; disable Remote On/Off function
to return to front panel control
Power supply is defective
Return power supply to factory for repair
LIMIT indicator
lights up
Arcing or short-circuit in the
equipment
Check the equipment for signs of arcing or
short-circuit
Power supply is overloaded
Reduce output voltage of power supply or
increase distance between charging bar
and material or ground reference
