Wood-mizer LT70L DH - Page 95

Troubleshooting Guide
Power Feed Circuit Troubleshooting
Troubleshooting Guide 60HDdoc081208 6-9
6
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, No Power, No Faults
Key On, Bridge Enabled, Full Power, No Faults
S
M0314-2
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
Forward/Reverse Dru
m
Switch Fault
SM0314-1
Power Meter (Shown
at Maximum Voltage)