Owner's Manual

40
STATUS LIGHT TROUBLESHOOTING FLOWCHART
Status Light Code
LED FLASH SEQUENCE CONTROL STATUS CORRECTIVE ACTION
Short flash once every four second IDLE (No call for heat, no fault conditions)
“Heartbeat”, alternates bright/dim Call for Heat (No fault conditions)
One Flash, three second pause Low Flame Signal (control continues to
operate)
Turn the power switch on the gas control valve to the “OFF” position and unplug the power cord from
the power outlet.
Check the incoming gas line pressure to ensure adequate supply to the water heater. If 1.
incoming gas supply pressure is adequate proceed to step 2.
Check all wiring connections and insure all harness and wires connections are seated firmly 2.
and provide proper electrical contact. If no connection problems are found proceed to step 3.
Firmly seat any loose connections found. If any connections are found to be damaged consult
the replacement parts list for the appropriate replacement. After any connection problems are
fixed restart the water heater by following the lighting instructions on page 24. If the problem
persists proceed to step 3.
Check condition of the base ring filter and flame arrestor. If they are clogged follow the 3.
instructions for cleaning on page 32. If parts are not clogged proceed to step 4. After cleaning
follow instructions for lighting on page 24. If problem persists proceed to step 4.
Follow the instructions on page 31 to remove the burner assembly. Once the burner assembly 4.
has been removed inspect the manifold tube and burner, see figure 36, for any obstructions. If
any clogs or obstructions are present clear them. Inspect the electrode/flame sense rod, see
figure 43, for corrosion buildup, degradation, or damage. If there is evidence of any damage to
the electrode/flame sense rod replace the igniter/pilot assembly. Follow the directions on page
32 to re-install the burner assembly into the combustion chamber. Follow the instructions for
lighting on page 24. If the problem persists contact a certified service representative.
Two Flash, three second pause End Switch Failed Closed Look at the top of water heater to see if the damper is open, see figure 27. If the damper is
open insure there is no obstruction that would prevent the damper from closing. If there are any
obstructions turn the power switch on the gas valve to the “OFF” position, remove the obstruction,
if the damper closes turn the power switch on the gas valve to the “ON” position. If there are no
obstructions present turn the power switch on the gas valve to the “OFF” position. Observe the
damper to see if the damper closes. If the damper does not close unplug the power cord from the
power outlet and proceed to step 1. If the damper closes turn the power switch on the gas valve
to the “ON” position.
Check all wiring connections to insure all harness and wire connections are seated firmly and 1.
provide proper electrical contact. If no connection problems are found replace the damper.
Firmly seat any loose connections found. If any connections are found to be damaged consult
the replacement parts list on page 43 for the appropriate replacement. After any connection
problems are fixed restart the water heater by following the lighting instructions on page 24.
If the problem persists replace the damper.
Three Flash, three second pause End Switch Failed Open or TCO Limit Lockout Turn the power switch on the gas control valve to the “OFF” position and unplug the power cord
from the power outlet.
Attempt to depress the TCO door switch button, see figure 35. If the TCO door switch button 1.
depresses follow the instructions for cleaning the filter and flame arrestor on page 24. After
cleaning is completed follow the lighting instructions on page 24. If the TCO door switch
button does not depress proceed to step 2.
Follow the lighting instructions on page 24. Observe the damper during initial startup. If there 2.
is a call for heat and the damper opens allow the unit to continue to perform and monitor any
change in status. If there is a call for heat and the damper does not open proceed to step 3.
Check all wiring connections to insure all harness and wire connections are seated firmly and 3.
provide proper electrical contact. If no connection problems are found replace the damper.
Firmly seat any loose connections found. If any connections are found to be damaged consult
the replacement parts list on page 43 for the appropriate replacement. After any connection
problems are fixed restart the water heater by following the lighting instructions on page 24.
If the problem persists replace the damper.
Four Flash, three second pause ECO Limit Lockout Turn the power switch on the gas control valve to the “OFF” position, wait 10-20 seconds then 1.
turn the power switch on the gas control valve to the “ON” position. If the problem persists
replace the gas control valve.
Five Flash, three second pause Flame Out of Sequence Turn the power switch on the gas control valve to the “OFF” position. Wait 10 minutes then follow the
lighting instructions on page 24. If the problem persists replace the gas control valve.
Six-One Flash, three second pause Soft Lockout* - Retry Limit -
Failed TFI (Trial for Ignition)
Turn the power switch on the gas control valve to the “OFF” position and unplug the power cord
from the power outlet.
Check the incoming gas line pressure to ensure adequate supply to the water heater. If 1.
incoming gas supply pressure is adequate proceed to step 2.
Check all wiring connections and insure all harness and wires connections are seated firmly 2.
and provide proper electrical contact. If no connection problems are found proceed to step 3.
Firmly seat any loose connections found. If any connections are found to be damaged consult
the replacement parts list for the appropriate replacement. After any connection problems are
fixed restart the water heater by following the lighting instructions on page 24. If the problem
persists proceed to step 3.
Check condition of the base ring filter and flame arrestor. If they are clogged follow the 3.
instructions for cleaning on page 32. If parts are not clogged proceed to step 4. After cleaning
follow instructions for lighting on page 24. If problem persists proceed to step 4.
Follow the instructions on page 31 to remove the burner assembly. Once the burner assembly 4.
has been removed inspect the manifold tube and burner, see figure 36 , for any obstructions.
If any clogs or obstructions are present clear them. Inspect the electrode/flame sense rod,
see figure 43 , for corrosion buildup, degradation, or damage. If there is evidence of any
damage to the electrode/flame sense rod replace the igniter/pilot assembly. Follow the
directions on page 32 to re-install the burner assembly into the combustion chamber. Follow
the instructions for lighting on page 24. If the problem persists contact a qualified service
representative.
* Soft Lockout - 20 minute wait before returning to normal mode.