Noritz ecoTough NRC98-DV Owner's Manual

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Noritz ecoTough NRC98-DV Owner's Manual Manual pdf 26 page image

26Troubleshooting-3åÃè·ï\é¶Ç#Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢åÃè·ï\é¶Ç#Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢Water QualityDamage to the water heater as a resultof poor water quality is not covered bythe Limited Warranty. To ensure fullwarranty coverage, treat or conditionwater that exceeds the target levelsprovided in this table.Source: EPA National Secondary Drinking WaterRegulations (40 CFR Part 143.3)Total Hardness* : 200 mg/L (12 gpg) or lessAluminum : 0.05 to 0.2 mg/L or lessChloride : 250 mg/L or lessCopper : 1 mg/L or lessIron : 0.3 mg/L or lessManganese : 0.05 mg/L or lesspH : 6.5 - 8.5Total Dissolved Solids : 500 mg/L or lessZinc : 5 mg/L or lessSulfate ion : 250 mg/L or lessResidual chlorine : 4 mg/L or less* Maximum limit suggested by Noritz.The water appears blueThe bath tub/wash-basin has turnedblue• Coloration to a blue color may be noticed from smalltraces of copper ion contained in the water and fat(furring). However, there are not problems concerninghealth. Coloration of the bath tub/wash-basin can beprevented by cleaning frequently.(Continued)Frequent water discharge from thedrain pipe.• Condensation forms inside the unit during operationand is discharged from the drain pipe.åÃè·ï\é¶Ç#Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢åÃè·ï\é¶Ç#Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢Check for an Error Code on the Remote ControllerIf there is a problem with the unit, a numerical error code will flash on the remote controller.If this occurs, take appropriate measures as listed below.When an error code appears, the display and the operation light willflash together.Error Code Cause ActionIgnition error Check whether the gas valve is open. Press the powerbutton to turn the unit off, open a hot water fixture,and turn the unit back on. If the flashing numberdoesn't return the problem is solved.FlashingRemote ControllerCheck to see if the condensate drain pipe is cloggedor frozen ( p.8)Contact the installer or Noritz America TechnicalSupport for assistance.Clogging of condensatetrap or drain pipe