Specifications

TroubleshootingGuide

15|Page


ERRORCODE111:IGNITIONFAILURE
Heaterdoesnotfireafterthreefailedattemptsatignition.
1) Verifythatthehi‐limitswitchisnottripped.Turnthe
powerofftotheunit.Pushthewhitebuttonin.The
switchwillresetwhenyouhearandfeelthebutton
click.Turnthepowerbackonandtest
theheater.If
theunitfireson,thecauseofthehi‐limittripmustbe
determined.Pleasecontactthetechnicalservice
departmentforfurthertechnicalsupport.
2) Checkthegassupply.Verifythatsufficientgasisbeing
suppliedtotheheaterandthegaslineisclearofdebris
oranyair.Purgethelineofairifneeded(p.24).
a. Itispossiblethereisafaultypressureregulatoratthegasmeter.
b. Forpropaneunits,colderperiodsofthedayresultinacoldregulatorandmaycausethis
problem.
3) Verifythatthegassupply
pressureiswithinspecificationswhentheheaterisinstandbyandwhen
theheaterisrunning.
4) Checkthattheclearplastictubeconnectingthe
proportionalgasvalvetothecombustionchamber 
isattached.
5) Theoverheatcutofffuse(OHCF)mayhavebeen
compromised.Forproceduresonhowtocheck
whethertheOHCFisintact,refertop.26.Ifthe
OHCFhasbeencompromised,contactthe
technicalservicedepartmentforfurther
assistance.
6) Ifflamecomesonforonly1‐2secondsbefore
goingout,cleantheflame sensor(p.27).
7) Checktheigniterforaspark.Thespark
maybeviewedthroughthesightglasslocatednexttothe
igniterandflamesensor.

a. Astrongbluesparkwillremainsteadyandinplace,whileaweaksparkwilljumparound.
b. Ifnosparkoraweaksparkisobserved,checktheigniterwireconnectionsandmakesurethese
aresecure.Ifthesearesecure,areplacementigniterwillberequired.
8)
Checkforblockagesintheventing,suchasbirdnests,animals,ortrash.
a. PCBoardfaultorGasSolenoidfault.Contactthetechnicalservicedepartment.

ERRORCODE121:FLAMELOSS
Thiserrorcodeappearsiftheflamesdisappear while
theunitisstillsupposedtobeinoperation.
1) Verifythatthehi‐limitswitchisnottripped.Turn
thepowerofftotheunit.Pushthewhitebutton.
Theswitchwillresetwhenyouhearandfeelthe
buttonclick.
Turnthepowerbackonandtestthe
heater.Iftheunitfireson,thecauseofthehi‐limit
tripmustbedetermined.Pleasecontactthe
technicalservicedepartmentforfurthertechnical
support.
Figure7
Figure8
Figure9