Table 2-2. Unit Troubleshooting (Continued)
TEST OR INSPECTION
WATER HEATER EXHAUST GASES ARE SMOKEY.
Check for intermittent burner electrode spark.
If spark is intermittent, adjust or replace electrodes. Refer
to paragraph 2-34.
If spark is steady, proceed to next step.
Check for contaminated fuel by draining a small sample into a clear
container. Look for sediment or a fuel/water separation line.
If sediment or water is present, drain fuel supply and fill
with proper fuel. Refer to TM 10-3510-209-10.
If no sediment or water is present, proceed to next step.
Check for clogged nozzle.
If nozzle is clogged, clean or replace nozzle. Refer to
If nozzle is not clogged, proceed to next step.
Check for obstruction in blower.
If blower is obstructed, remove obstruction. Refer to
If blower is not obstructed, proceed to next step.
Check for low output voltage from power sources. Refer to
If power source is low, adjust output power of power source
for proper voltage. Refer to TM 5-6115-585-12.
If output voltage is correct and problem persists, notify your
WATER HEATER SMOKE ESCAPES FROM AROUND BOILER BOX COVER.
Check for excessive wear and deterioration of boiler box gasket.
If gasket is defective, replace gasket.
If gasket is serviceable, proceed to next step.