Owner`s manual

January 29, 2014 7034-276 27
MT. VERNON AE
Withproperinstallation,operation,andmaintenanceyourappliancewillprovideyearsoftrouble-freeservice.Ifyoudoexperienceaprob-
lem,thistroubleshootingguidewillassistaqualiedservicepersoninthediagnosisofaproblemandthecorrectiveactiontobetaken.
Thistroubleshootingguidecanonlybeusedbyaqualiedservicetechnician.
Error Message
Possible Cause Corrective Action
Badwallcontrolorcontrolboard
3 wires have loose connections or installed
wrong
Replacewallcontrolorcontrolboard
Checkconnections
BADTCDROPTUBE
(TC=Thermocouple)
Droptubethermocoupleisbrokenorleadsare
reversed
Checkconnections
Replace thermocouple
BADTCFIREPOT
(TC=Thermocouple)
Firepotthermocoupleisbrokenorleadsare
reversed
Checkconnections
Replace thermocouple
SNAP DISC TRIPPED Overheatsensor(snapdisc)hastripped
Convectionblowermayneedcleaning
Turn power off to appliance and manually
resetsnapdiscthenturnpowerbackon
Cleanconvectionblowerifneeded
VACUUMSWERROR
(SW=Switch)
Vacuumswitchisbad
Vacuumhoseisplugged/disconnected
Checkconnections.Bypassvacuumwith
jumperwire,ifruns,switchisbad.Replace
switch
Checkvacuumhose
COMBBLOWERJAMMED Combustionblowerisblocked/jammed Removeblockage
Replaceblowerifnecessary
Mustunplugappliancetoclearerror
AUGERJAMMED Augerjammed,feedmotorbad Pull the feed system and inspect
ClearjamandPressRetry
MISSEDIGNITION Igniterbadorpoorharnessconnection
Outoffuelorfuelisbridginginhopper
Faultyrepotthermocoupleconnectionhas
shorted.
Checkconnections,ifOKreplaceigniter
Breakupbridgingpellets.Rellhopper
Replace the thermocouple
Press Retry
MINFIREPOTTEMP Outoffuel Rellhopper
Addhandfulofpelletstorepottoprimeit
Press Retry
MAXDROPTUBETEMP Appliance in over-heat condition
Flame height set too high
Components may need cleaning
Conrmsettingmatchesburningfuel
Adjustameheight
Cleantherebox,heatexchanger,convec-
tionblower,repotandashpan
CONVBLOWERJAMMED Convectionblowerblocked/jammed Removeblockage
Replaceblowerifnecessary
Mustunplugappliancetoclearerror
CHECK ASHPAN Auto-cleanjammed
Auto-cleanswitchisbad
Linkagehasbecomedisconnected
Ifashpanisempty,checkforajam.Usea
screwdriverandrmlypushintherepot
oorholesandexspringandpushtoward
hometoreleasejam
Replace switch
Reconnectlinkage
SCREENGOESBLANK Staticdischargeornearbylightningor
Electric fast transients at the input mains
Wait25secondsandpressanykeyto
refresh the screen.
Hopper lid not closed all the way
Switchisoutofadjustment(augerwillnot
function)
Closethelid.Ifthatdidn’tworkreplacethe
switch
Adjustorreplaceswitch
Fireboxdoorisnotlatchedproperly Adjustorreplacedoorswitch
Outoffuel Checkthefuellevel,ifOKtheswitchmaybe
out, replace switch
5 Troubleshooting Guide