Noritz N-0931M-OD Owner'S Manual Download Page 24

24

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Check for an Error Code

If 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 will flash
together.

Remote Controller

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

The hot water is turbid.

• This is harmless.  Small bubbles appear as the air in the

water is heated and depressurized rapidly to
atmospheric pressure.

The water appears blue
The bath tub/wash-basin has turned
blue

• Coloration to a blue color may be noticed from small

traces of copper ion contained in the water and fat
(furring). However, there are not problems concerning
health. Coloration of the bath tub/wash-basin can be
prevented by cleaning frequently.

(Continued)

Water leaks from the drain plugs
on the outlet.

• When the unit is under very high pressure, water will leak

from the drain plugs as a safety so that the unit is not
damaged by the high pressure.

Summary of Contents for N-0931M-OD

Page 1: ...merica reserves the right to discontinue or change at any time the designs and or specifications of its products without notice Low NOx Approved by SCAQMD CERTIFIED R Do not store or use gasoline or o...

Page 2: ...dous situation which if not avoided may result in property damage CAUTION Be sure to do Ground Electric Shock DANGER Icons warning of risk level Important Safety Information 1 This is the safety alert...

Page 3: ...ter temperature while hot water is being used To prevent scalding do not change the wa ter temperature to a higher setting A This water heater does not have a pilot It is equipped with an ignition dev...

Page 4: ...ted sheets etc Carbon monoxide poisoning or fire may occur as a result Unit Prohibited Do not place combustibles such as laundry newspapers oils etc near the heater Prohibited Carbon Monoxide Poisonin...

Page 5: ...excessive dust or debris will be in the air Prohibited Don t touch Prohibited Be sure to do Do not touch the power cord with wet hands Electric Shock Don t touch with a wet hand Contact Noritz before...

Page 6: ...r installation up to 4500 ft above sea level For installations at higher elevations contact Noritz America for Instructions Check ignition during use and extinction after use Take necessary measures t...

Page 7: ...Initial Operation 10 How to Use Muting the Remote Controller 11 Setting and Using the Water Heater 12 Flow Meter Alarm 14 Adjusting the Maximum Output Temperature 16 Preventing Damage from Freezing 17...

Page 8: ...xample of installation The exact installation configuration may be slightly different Main Unit Front Cover Air Inlet Water Supply Valve Gas Supply Valve Water Drain Valve with Water Filter Inside Wat...

Page 9: ...ive sheet from the remote controller surface Temperature Setting Ex 110 F Flow Meter Setting The display will flash after hitting the flow meter alarm set button p 15 Error Code When this indicator is...

Page 10: ...r make the following preparations Follow steps 1 through 4 1 Open the water supply valve Open a hot water fixture to confirm that water is available and then close the fixture again 3 Open the gas sup...

Page 11: ...se Muting the Remote Controller Initial factory setting is with sound Sound Muted No sound after 5 sec 1 Hold the Power On Off Button for five seconds Tone sounds after 5 sec The flow meter alarm cann...

Page 12: ...ere burns instantly or death from scalding Children disabled and elderly are at the highest risk of being scalded Feel water temperature before bathing or showering Temperature limiting valves are ava...

Page 13: ...commended setting temperature is 120 F or less For applications that occasionally require a higher temperature setting locate the remote controller in a convenient location Consult local codes for min...

Page 14: ...Button 1 Plug the bath drain Preparation Starting with the power off Always check temperature setting before use Hot Cold On The temperature will be displayed on the remote control thermostat Previous...

Page 15: ...ns 10 60 In 5 gallon intervals 70 100 In 10 gallon intervals or 990 gallons Note The alarm will not sound if it is set for 990 gal Note The alarm will not sound if it is set for 990 gal On Flow meter...

Page 16: ...water supply temperature can be changed to 100 F 105 F 110 F 115 F 120 F 125 F 130 F 135 F or 140 F 2 Turn off the power Off 1 Set the Power button to ON when continuing to use the unit as is Otherwi...

Page 17: ...Button on the Remote Controller 2 Close the gas supply valve 3 Open a hot water fixture and let it run for approx 2 minutes and then check that the number 11 is flashing on the remote controller displ...

Page 18: ...the unit 6 When the water is completely drained replace all drain plugs and close the hot water fixtures If the water heater will not be used for a long period of time Drain the water Drain the water...

Page 19: ...y newspaper timber oil spray cans and other combustible materials Equipment Remote Controller Wipe the surface with a wet cloth For abnormal sounds during operation For abnormalities in external appea...

Page 20: ...ater drain valve with water filter with a brush under running water 6 Replace the water drain valve with water filter and close the drain plugs Take care not to lose the packing 7 Close all hot water...

Page 21: ...water is demanded it is possible for the temperature to be higher than the temperature set on the remote controller If the supply water goes through a solar pre heating system it is possible for the...

Page 22: ...used for other fixtures while filling the bath tub the tub will not fill as much If there is water in the tub already or when filling is stopped and restarted the tub will fill more The flow meter ala...

Page 23: ...valves fully open Is the water supply cut off Is the hot water fixture sufficiently open Is the gas being cut off by the gas meter Can other gas devices such as stoves be used For LP Is there enough g...

Page 24: ...rest 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 Troubl...

Page 25: ...oritz America Technical Support at 866 766 7489 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...

Page 26: ...ged without prior notice The capacity may differ slightly depending on the water pressure water supply piping conditions and water temperature Performance Item Model Name Type Ignition Operating Press...

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