Table 4-2. Unit Troubleshooting - CONT.
TEST OR INSPECTION
BURNER DOES NOT OPERATE (CONT).
Remove rings, bracelets, wristwatches, neck chains, and any other jewelry before
working around Heater. Jewelry can catch on equipment and cause injury, or may
short across an electrical circuit and cause severe burns or electrical shock.
Push in on BURNER START switch button. Use a multimeter to check for continuity across
If the reading is less than infinite ohms, the switch is damaged. Replace switch (page 4-182).
Check that burner and relay coil neutral ground wires are securely fastened to the neutral ground
Securely fasten wire(s) to neutral ground strip.
Attach power cable (page 2-20) and turn generator on (TM5-6115-464-12 or TM5-6115643-10).
Switch 20 amp circuit breaker (BURNER DISCONNECT) to the "ON" position and, using a
multimeter, check for 120 Vac at terminal T1 on circuit breaker.
If 120 Vac are not present, replace circuit breaker (page 4-171).