10100585TROUBLE-SHOOTINGCheck voltage to electrical out-let. If voltage is good, checkheater power cord for breaks.Adjust motor/fan guard to keepfan from hitting inside of heatershell. Bend fan guard if neces-sary.Replace fan. See Fan, page 12.Replace motor. See Motor,page 11.Repeat installation and opera-tion instructions. See Installa-tion, page 6 and Operation,page 7.A) Check ignitor wire. Tightenor reattach loose ignitor wire.See Figure 13, page 13 for igni-tor wire location.B) Set gap between ignitorelectrode and target plate to.17".C) Tighten nut holding piezoignitor to base of heater.D) Replace ignitor electrode.See Ignitor, page 13.This can happen when runningheater in temperatures above85°F. Run heater in cooler tem-peratures.Check heater inlet and outlet.Remove any obstructions.Replace fan. See Fan, page 12.Clean heater. See Mainte-nance, page 9.! WARNINGUse only in areas free ofhigh dust content.No electrical powerto heaterFan hitting inside ofheater shellFan blades bentDefective motorUser did not follow instal-lation or operation in-structions properlyNo spark at ignitor. Totest for spark, follow step9 under Ignitor, page 13.If you see spark at ignitor,have heater serviced byqualified service person.If no spark seen:A) Loose or disconnectedignitor wireB) Wrong spark gapC) Piezo ignitor looseD) Bad ignitor electrodeHigh surrounding air tem-perature causing thermallimit device to shut downheater.Restricted air flowDamaged fanExcessive dust or debrisin surrounding areaFan does not turnwhen heater isplugged in.Heater will notignite.Heater shuts downwhile running.OBSERVED FAULT POSSIBLE CAUSE REMEDY! WARNINGNever service heater while it is plugged in, connected topropane supply, operating, or hot. Severe burns andelectrical shock can occur.