Manitowoc I0320 Technician's Handbook page 129

4. Test for line voltage at the individual components.
A. Line voltage is present and the component is
non functional - Replace component
B. Voltage is not present at the component -
Proceed to step 5
5. Refer to wiring diagram and determine wire
location on the 9 pin molex connector for the
component you are testing.
6. Check for line voltage at the control board 9 pin
molex connector.
A. Line voltage at 9 pin connector - Repair
wiring to component
B. No power at 9 pin connector - Replace
control board
Part Number STH038 5/12 127