Table 3-2. Troubleshooting (Continued)
TEST OR INSPECTION
3. FLAME FAILS IN BURNER (WATER HEATER/DRYER). (Cont)
Inspect fuel hose for air leaks.
If leaks are present, tighten fuel hose connections.
If no leaks are present, proceed to next step.
Check feed and return fuel hose assemblies to see if they are reversed.
If feed and return fuel hoses are reversed, disconnect and reconnect fuel hose
assemblies in correct positions.
If feed and return fuel hoses are in correct positions, proceed to next step.
Check fuel pump to verify that it has been primed.
If fuel pump has not been primed, refer to paragraph 2-8d and prime pump.
If fuel pump has been primed, proceed to next step.
Check to see if flame safeguard switch is tripped.
If flame safeguard switch is tripped, refer to paragraph 2-8e for the dryer and paragraph
2-8d for the water heater and reset flame safeguard switch.
If switch is not tripped, proceed to next step.
Check ignition cable assemblies for loose connections at electrode and transformer ends.
If connections are loose, tighten connections at electrode and transformer ends.
If connections are not loose, notify your supervisor.
4. FUEL PRESSURE TOO HIGH (WATER HEATER/DRYER).
Check fuel pressure gage on the water heater for an indication of 80 psi (552 kPa) and the
dryer for over 100 psi (690 kPa).
If gages indicate more than the specified amounts, notify your supervisor.