Question about Rinnai Unvented Gas Zone Heater. 99% fuel efficient: Blower with Thermostat

5 Answers

Rinnai rce606tra unvented heater

Heater is not much over 1 yr old moved to new location for this heating season after hook up will not start combustion erroe code 31
can i fix it or do i have to send it some where

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  • jrf1 Oct 04, 2008

    thanks for response, im not sure if im responding the correct way . yes i have manual.

  • jrf1 Oct 04, 2008

    yes have manual

  • jrf1 Oct 05, 2008

    wow thats some solution from a team of elite experts i posted again in the free section and the response i got was to spend another 10 bucks and i can get another comment from a guru

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Check out this link for more detailed help
http://www.foreverhotwater.com/documents/1110116.pdf

Combustion Air
Temperature Sensor
fault:-----------------------

Check for restrictions in air flow around unit and vent terminal.
Check sensor wiring for damage.
Measure resistance of sensor.
Clean sensor of scale build up.
Ensure fan blade is tight on motor shaft and is in good condition
replace sensor

Combustion Fan
Failure:--------------------------
Ensure fan will turn freely.
Check wiring harness to motor for damaged and/or loose connections.
Measure resistance of motor winding.


To display the most recent error codes press and hold the “On/Off” button for 2 seconds. While holding the “On/Off” button press the button. The last 9 error codes will flash one after the other. To exit this mode press the“On/Off” and button as before.
To display the water flow through the water heater press and hold the button for 2 seconds and withoutreleasing the button press the “On/Off” button.
To display the outlet water temperature press and hold the button for 2 seconds and without releasing the
button press the “On/Off” button.


Flushing the Heat Exchange (Error Code: LC or 00)
An “LC” or “00” error code indicates the unit is beginning to lime up and must be flushed. Failure to flush the
appliance will cause damage to the heat exchanger. Damage caused by lime buildup is not covered by the unit’s
warranty. After flushing, reset the LC fault code by turning off the power to the unit and turning the power back on
1. Disconnect electrical power to the water heater.
2. Close the shutoff valves on both the hot water and cold
water lines (V3 and V4).
3. Connect pump outlet hose (H1) to the cold water line at
service valve (V2).
4. Connect drain hose (H3) to service valve (V1).
5. Pour approximately 4 gallons of virgin, food grade, white
vinegar or citric acid into pail.
6. Place the drain hose (H3) and the hose (H2) to the pump
inlet into the cleaning solution.
7. Open both service valves (V1 and V2) on the hot water and
cold water lines.
8. Operate the pump and allow the cleaning solution to
circulate through the water heater for at least 45 minutes.
9. Turn off the pump.
10. Rinse the cleaning solution from the water heater as follows:
a. remove the free end of the drain hose (H3) from the pail
b. close service valve, (V2), and open shutoff valve, (V4).
Do not open shutoff valve, (V3).
c. allow water to flow through the water heater for 5 minutes
d. close service valve, (V1), and open shutoff valve, (V3).
11. Disconnect all hoses.
12. Remove the in-line filter at the cold water inlet and clean out
any residue. Place filter back into unit.
13. Restore electrical power to the water heater.

Posted on Oct 06, 2008

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Dear,
while placing it to another location. did it get hit by someone... check in this respect by the way
regards,

dont rate it until u satisfy with it or it helps!

Posted on Oct 06, 2008

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ERROR 31 MEANS = Thermistor Disconnect

  1. Measure continuity from pin #8 to pin #9 and make sure of connection at PCB.
  2. Measure Ohms on 2K scale from yellow to yellow. If open, replace.
  3. Check connection of flue gas pipe and intake hose behind unit.

Posted on Oct 04, 2008

  • micromaster
    micromaster Oct 04, 2008

    keep us all updated on this.. how things get done..

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You will probably need to get it serviced. First check if the wall socket is working properly and the power cord and plug is in good condition.

You can find a repair service near you by entering your zip in the box to the right that says "Repair Service". Just mention that you were referred by Fixya, and you may just get a discount :)

Hope that helps!

Please don’t forget to rate or "Accept" the solution if it helped you in any way, or leads you to a fix.

Thank you for using FixYa!

IrishDruid

Posted on Oct 04, 2008

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Do u hve a copy of manual with u

Posted on Oct 04, 2008

  • tech gurus Oct 04, 2008

    keep me updated for more help and queries

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