Troubleshooting Guide
Power Feed Circuit Troubleshooting
6
6-9
50HD07doc072310
Troubleshooting Guide
The LED Bar Graph located on the power feed board can also be used to troubleshoot
feed problems. Check below for different codes on the LED Bar Graph to find the prob-
lem.
See Figure 6-2.
The operational codes of the LED Bar Graph are shown below.
See Figure 6-3.
The LED Bar Graph problem codes are shown below.
When troubleshooting the system, please note which LED Bar Graph lights are on and
contact Customer Service for assistance.
FIG. 6-2
FIG. 6-3
Key On, Bridge Enabled, Power Feed Drum Switch
in Forward Position, Power Feed Potentiometer Off, No Faults
Key On, Bridge Enabled,
in Neutral Position, No Faults
Power Feed Drum Switch
SM0314-2B
Key Power Indicator
Master Bridge Enabled
Past Fault Indicator
Present Fault Indicator
Relay 2 Fault
Relay 1 Fault
H-Bridge Fault
LEM Current
Transducer Fault
Power Feed
Potentiometer Fault
Power Feed Drum
Switch Fault
SM0314-1B
Power Meter (Shown
at Maximum Voltage)