User Guide
52
Troubleshooting continued-
LEDStatus ControlStatus ProbableCause
Sixflashes‐two
flashes,three
secondpause
(Softlockout)
Pressureswitchor
blowertemperature
switchopened
duringburner
operation.
Systemautoresets
after5minutes.
1.Pressureswitchtubingkinkedorblocked.
2.Ventblockageorimpropervent
configuration.
3.Ventterminationbeingaffectedbywindy
conditions.
4.Blowernotspinning
uptospeed.
5.Venttemperaturetoohigh.
6.Faultypressureswitchorblowertemp.
switch.
Sixflashes‐three
flashes,three
secondpause
(Softlockout)
Pilotflame
extinguished.
Systemresetsafter5
minutes.
1.Unstablepilot.
2.Pilottubeblockedorrestricted.
3.Oxidationbuilduponpilotelectrode.
4.Wiredamagetopilotassemblyorbad
connectionatgasvalve.
5.Insufficientcombustionair.
Sixflashes‐four
flashes,three
secondpause
(Softlockout)
Undesired‐falsepilot
flamesensed.
Systemautoresets.
Pilotvalvestuckinopenposition.
Sevenflashes,
threesecond
pause
Flammablevapor
sensorfault
detected,see
warninglabel
1.Flammablevaporpresent
2.Flammablevaporsensorexposedto
excessive
moisture
3.Flammablevaporsensorexposedto
extreme
ambienttemp
Eightflashes‐one
flash,three
secondpause
Flammablevapor
sensoroutof
specification.
Possibleshort.
1.Flammablevaporsensoroutofspecification
2.Possibleshort.
Eightflashes,two
flashes,three
secondpause
Temperaturesensor
fault
1.Damagetosensororwireincontrol’swell.
2.Control’ssensorresistanceoutofrange.
3.Replacecontrol.
Eightflashes‐three
flashes,three
secondpause
Electronicsfault
detected
1.Verifycontrolisnotwetorphysically
damaged
2.Resetcontrolon/offswitch.
3.Replaceelectronicmoduleif8‐3error
persists
Eightflashes‐four
flashes,three
secondpause
Gasvalvefault
detected.
1.Verifycontrolisnotwetorphysically
damaged.
2.Resetcontrolon/offswitch.
3.Replacegascontrolif8‐4errorpersists