Purkeys DIRECT FLEX - Basic Troubleshooting; No Lights on Face of the Nosebox

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FLEX/MAX DIAGNOSTIC GUIDE
NO LIGHTS ON FACE OF THE NOSEBOX
Step 1: Conrm all connections are tight and inspect wiring for defects.
Step 2: Connect the tractor to the unit.
Step 3: Start the tractor.
Step 4: Check the 2 amp fuse on the
DC/DC converter in the battery
box:
• If blown, replace.
• If good, proceed.
Step 5: Using a voltmeter, measure
the voltage at the 2-pin terminal
strip on the DC/DC converter
charging plate:
• Place the positive lead on the
ligate battery+ stud.
• Place the negative lead on the
ground stud.
• If there is a battery voltage
reading, skip to step 7.
• If no voltage is shown, proceed
to step 6.
BASIC TROUBLESHOOTING
NOTE: Battery voltage below 7 volts will NOT power the system.