Rheem HE119-130LP Use And Care Manual page 27

Action
Power is applied to the gas valve. Gas flows into the
burner chamber.
Igniter remains on for an addition 4 seconds.
Burner lights.
Presence of flame is rectified.
YES
Water is heating.
(Notice igniter element LED is OFF.)
Verify flame presence through sight window.
YES
Water reaches thermostat setting - plus 4˚.
Gas valve closes. Burner turns off.
Combustion blower runs for an additional 30
seconds to purge the burner chamber of combustion
gases.
YES
Water is heated to thermostat setting.
Blower motor stops.
Heater returns to idle state.
Sequence of Operations
System Lights (LEDs)
Flashing LED indicates a
problem
LINE
24 VAC
ECO/VENT SWITCH
CONTROL HEALTH
WATER TEMPERATURE
COMB BLOWER
PRESSURE SWITCH
IGNITER ELEMENT
GAS VALVE
LINE
24 VAC
ECO/VENT SWITCH
CONTROL HEALTH
WATER TEMPERATURE
COMB BLOWER
PRESSURE SWITCH
GAS VALVE
LINE
24 VAC
ECO/VENT SWITCH
CONTROL HEALTH
COMB BLOWER
PRESSURE SWITCH
LINE
24 VAC
ECO/VENT SWITCH
CONTROL HEALTH
27
TROUBLESHOOTING
NO
See Flashing LED table
If flame is not rectified, unit will make 2 more ignition
trials. If there is no flame rectification after the third
attempt, unit will go into LOCKOUT (flashing "LOC").
Press the red reset button to clear lockout condition.
Unit will wait approximately 60 minutes; then clear itself;
then make another three attempts for ignition.
NO See Flashing LED table
See Flashing LED table
NO
See Flashing LED table
NO