Table 4-2. Unit Troubleshooting - CONT.
TEST OR INSPECTION
BURNER DOES NOT FIRE (CONT) .
Remove rings, bracelets, wristwatches, and neck chains before working on any vehicle. Jewelry can
catch on equipment and cause injury, or may short across an electrical circuit and cause severe burns or
Step 6. Remove screw and cover. Disconnect ignition leads from burner transformer. Using multimeter, check for
9,000 V to 12,000 V output from burner transformer.
If output is high or low, replace burner transformer (page 4-253).