Service Manual

Page 6
LED Status Control Status Probable Cause Service Procedure
Three flashes
and three
second
pause.
Insufficient water
heatin g. System will
reset.
1. Thermowell
sensor and chamber
temperatu re sensor
out of calibration.
2. Possible short.
1&2. Rep
lace gas
control, see page 15.
Four flashes
and three
second
p
ause.
Excessive tank
temperatu re. System
mu st be reset.
1. Thermowell
sensor out of
calibration.
2. Fault
y
g
as valve.
1. See page 14.
2. Replace gas control,
see page 15.
Five flashes
and three
second
pause.
Thermostat well fault.
1. Damage to th e
th ermowell wire.
2. Thermowell
sensor resist
ance
out of ran
g
e.
1&2. Replace gas
control, see page 15.
Seven flashes
and three
second
pause.
Gas valve electronic
fault detected.
1. Control needs to
be reset
2. Control is wet or
physic
ally damaged
1.Turn gas control knob
to "OFF" position and
th en follow lighting
instructions.
2. Replace gas control,
see
p
a
g
e 15.
Eight flashes
and three
second pause
False pi lot flame
present.
Pilot valve stuck in
open position.
Replace gas control, see
page 15.
Gas ControlTroubleshooting
ECO-MAGNUM
75/100-Gallon Atmospheric
6