Bradford White RG275H6X-506 Manual page 28

TROUBLESHOOTING CHART – HONEYWELL V2.
LED Status
None (LED not on or
flashing)
One flash every four
seconds
(LED green)
One flash every
second
(LED green)
Two flashes and three
second pause
(LED yellow)
Four flashes and three
second pause
(LED red)
Five flashes and three
second pause
(LED red)
Solid ON
(LED red)
Control Status
Indicates control is off.
Main and pilot burner are
off.
Not an error. Indicates
pilot is lit and main
burner is off.
Not an error. Indicates
main valve is open and
main burner is lit.
Low thermopile voltage;
main burner not lit.
Temperature cut-out limit
reached, causing
shutdown.
Electronics, sensor, or
gas valve fault detected.
Not an error. Indicates
that the control is in
shutdown mode.
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Probable Cause
Gas valve is functioning
normally. Gas valve is not
powered. Light pilot.
You can now turn the knob to a
desired setpoint temperature
None. Control will automatically
shut main burner off when water
temperature reaches the
setpoint temperature.
Check thermopile and its
connections. Check pilot flame.
Excessive temperatures may
have been reached. Shut off the
control and reduce the water
temperature. Thoroughly verify
control operation, replace if
exceeding setpoint.
Control may be wet or
damaged. Verify all connections
are tight; if problem persists
replace the control.
None; wait until LED turns off if
you want to restart system.