Specifications
24
Flashing
åÃè·ï\é¶ÇÇ®í≤Ç◊Ç≠ÇæÇ≥Ç¢ åÃè·ï\é¶ÇÇ®í≤Ç◊Ç≠ÇæÇ≥Ç¢
Check for an Error Code on the Operation Panel
If there is a problem with the unit, a numerical error code will flash on the operation panel.
If this occurs, take appropriate measures as listed below.
When an error code appears, the display and the operation light will flash
together.
Have a professional check the gas supply pressure.
Contact the nearest Noritz agent.
Abnormal combustion,
low gas supply pressure
Error Code Cause Action
Ignition error
Check whether the gas valve is open. Press the power
button to turn the unit off, open a hot water fixture,
and turn the unit back on. If the flashing number
doesn't return the problem is solved.
Contact the nearest Noritz agent.Abnormal combustion
Contact Noritz America if:
• Any other error code appears.
• An error code is indicated again after the above actions were followed.
• There are any other questions.
Troubleshooting-3
åÃè·ï\é¶ÇÇ®í≤Ç◊Ç≠ÇæÇ≥Ç¢ åÃè·ï\é¶ÇÇ®í≤Ç◊Ç≠ÇæÇ≥Ç¢
Water Quality
Damage to the water heater as a result
of poor water quality is not covered by
the Limited Warranty. To ensure full
warranty coverage, treat or condition
water that exceeds the target levels
provided in this table.
Source:
EPA National Secondary Drinking Water
Regulations (40 CFR Part 143.3)
Total Hardness*
:
200 mg/L (12 gpg) or less
Aluminum : 0.05 to 0.2 mg/L or less
Chloride : 250 mg/L or less
Copper : 1 mg/L or less
Iron : 0.3 mg/L or less
Manganese : 0.05mg/L or less
pH : 6.5 - 8.5
Total Dissolved Solids : 500 mg/L or less
Zinc : 5 mg/L or less
Sulfate ion : 250 mg/L or less
Residual chlorine : 4 mg/L or less
* Maximum limit suggested by Noritz.