Specifications

TroubleshootingGuide

30|Page



10) COMBUSTIONCHAMBER
‐Inspectthecombustionchamberwithabrightflashlight.
a. RemovetheexhaustventingfromtopoftheunitfortheDVmodel
b. Placeonetowelatthebottomofthecombustionchamber,protectingthedischargeofthefan
(fanport),aswellasdrapeanothertowelcoveringthesquare
openingofthecombustion
chamber(topreventairbornede bris)
c. Turnontheshopvacuumandvacuumallofthedirtfromthecombustionchamber.
d. Atthesametime,withtheaircompressor,blowairdownthroughthetopoftheheatexchanger
throughtheventcollartoremoveadditional
contaminants.

11) HEATEXCHANGER
‐Ifthereisawhite,crustysolidbuildupintheheatexchanger,pleasecontactthe
technicalservicedepartmentforfurtherinstruction.

12) SENSORS
–
a. CleantheflamesensorandAFRwithsandpaper,thoroughlytoabrightfinish.Itisimportantto
beverygentlewiththesensorrodswhilecleaningthem,astheywilleasilybendoutofplace.
Theiroriginalpositionrelativetotheburnerneedstobeunalteredinorder
tofunctionproperly.

13) REASSEMBLE
‐Reassembletheunitinreverseorder.Keypointstoremember:
a. Inspectallofthegaskets.
b. BeawareoftheblackO‐ringandmeshfilteronthegasvalveinlet.
c. Reconnecttheplastictubefromthegasvalvetothebottomofthecombustionchamber.
d. Reattach
allcomponentsthatthemanifoldscrewssecureintheirplaces.
e. Reconnectallwirestothecomputerboardandanyotherclips.
f. Donothaveanyscrewsleftover.











