TM 10-4510-206-14
Table 3-1.
Operator Troubleshooting Procedures
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1,
WATER HEATER FAILS TO START
Step. 1.
Check that electrical power is available and properly connected
to water heater.
Check power connections to water heater.
Step. 2.
Before serial number PBU100442 check load limit switch to see
if it is tripped.
Reset load limit switch.
Step. 3.
Check flame safeguard control lockout switch and audible alarm.
Reset flame safeguard control switch.
Step. 4.
Check blower motor overload switch.
Reset blower motor overload switch.
Step. 5.
Check water supply in water heater tank.
Fill tan with water.
Step. 6.
Check motor contactor.
Reset motor contactor.
Notify organizational maintenance.
2.
FLAME FAILS IN BURNER
Step. 1.
Check fuel supply in fuel drum.
Fill fuel drum.
Step. 2.
Inspect fuel hose for air leaks.
Tighten fuel hose connections.
Step. 2.1. Check fuel filter strainer for obstructions.
Rotate fuel strainer handle to clear obstructions.
3-4
Change 4
