Control Status - Bradford White Eco-Magnum Series Service Manual

ECO-MAGNUM
75/100-Gallon Atmospheric
Observe green LED indicator on
gas control. Error flash codes are
displayed with a three second
pause before repeating. Check
and repair the system as noted in
the troubleshooting table below.
LED Status
None (LED not on
or flashing)
One flash and
three second
pause.
LED strobe (two
quick flashes) and
three second
pause.
LED on
continuously.
Two flashes and
three second
pause.

Control Status

Gas valve is not
powered.
1. If set point knob is in
"PILOT" position then
pilot flame is detected.
Turn set point knob to
desired setting
2. If set point knob is at
desired setting the gas
valve is waiting for a
call for heat (no faults).
Thermostat calling for
heat (no faults).
Set point knob has
been recently turned to
the "OFF" position.
Wait until LED goes out
before attempting to
relight
Weak pilot flame
detected. System will
reset when pilot flame
is sufficient.
Gas Control Troubleshooting
Probable Cause
1. Pilot flame is not
present. Light pilot.
1. Gas valve is
powered and waiting
for the set point knob to
be turned to a water
temperature setting.
2. Temperature
demand is satisfied.
Tank temperature
below setpoint of
thermostat.
Set point knob was
turned to "OFF"
position.
1. Thermopile failure
2. Unstable pilot.
3. Pilot tube block or
restricted.
4. Resettable thermal
switch has opened.
Green LED
Indicator
Service Procedure
If the pilot will not stay lit
replace thermopile, see
page 11. If problem
persists replace gas
valve, see page 15.
Normal operation. Adjust
thermostat to desired
temperature level.
Normal operation.
LED will go out and the
control will function
normally when the pilot is
lit.
1. See page 10.
2&3. See page 12.
4. See page 18.
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