Bradford White RG250H6N-475 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
Not an error. Indicates
control is in OFF mode.
Pilot is 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 valve not turned
ON.
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. Pilot is
off.
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Probable Cause
Gas valve is functioning
normally. Gas valve is not
powered. Light pilot.
Gas valve is powered and
waiting for the set point knob to
be turned to a water
temperature setting. If the set
point knob is at desired setting,
the thermostat is satisfied.
Thermostat is calling for heat.
Water heater operating normally
and is in heat cycle.
Loose thermopile connections or
weak 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.
Set point knob was recently
turned to "OFF" position. Wait
until LED goes out before
attempting to relight.