20
Troubleshooting / Follow-up Service
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.
Error Code : 99
Cause : Abnormal combustion
Action : Contact the nearest Noritz agent.
Error Code : C1# (# = 1-9)
Cause : Service Reminder (Notice for periodic
maintenance)
Action : This Water Heater is equipped with an
automatic service reminder.
Excessive scale build-up may cause
premature failure of the Heat Exchanger.
Excessive dust or lint build-up in the fan
and air intake may affect efficiency and
combustion performance.
Contact Noritz America for additional
information about recommended
maintenance procedures (1-866-766-
7489).
Follow-up Service
The warranty registration information is shown on
page 23 of this owner’s guide. Be sure that installer
name, date of purchase and other necessary
information are filled in when registering your
product.
Read the content carefully, and keep this owner’s
guide in a safe place.
For repairs after the warranty period, there will be
a charge on any service, and service will only be
performed if the unit is deemed repairable.
Noritz will stock repair and maintenance parts for
this unit for the time period from the date of the
original installation as follows: twelve (12) years for
the Heat Exchanger and ten (10) years for remaining
parts.
If you want to reinstall the appliance at a different
location, confirm that the gas and power supply
indicated on the rating plate are available at the
new location. If you are not sure, consult the local
utility company.
Requesting Service
Warranty
Period of Time for Stocking Repair Parts
Reinstallation
We will need to know:
• The Model
Check the rating plate (See page 4 for the
location of the label)
• Date of purchase
See the warranty
• Details of problem
Blinking error codes, etc., in much detail as
possible
• Your name, address, and telephone number
• Desired date of visit
First follow the instructions in the troubleshooting
section. (See pages 17-20)
If the error is not corrected, contact Noritz America
Technical Support at 1-866-766-7489.
NOTE
A request for service may be rejected
if the Water Heater is installed in a
location where working on the Water
Heater may be dangerous. Contact a
plumber.
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