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I have a Cyclone Gas water heater model BTH 199 970, that displays in no apparent sequence 0 to 9, and various lights on display. Researched codes and manual - no luck?

Have 4 total, other 3 water heaters are working correctly. Appears to be heating water, and pressed reset button but no change in function or display. Not sure how to proceed.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Whirlpool DU1050 / Clean light flashes 7 times

Cmattson, This problem has been a real pain for owners of this model as well as us techs who repair them. There are a lot of things to check to get to the right problem. First, the water entering the dishwasher should be no less than 120 degrees. During the first 8 minutes of the initial wash cycle, the heater should be on. You can check this by dropping the toe panel and doing some tests. The element will be in the rear, so it can be difficult to get at unless you can pull the unit out some. Make sure the wires to the heating element are on. With a meter, you should be able to verify that the heater is receiving 120V during the first 8 minutes. The main board monitors the thermistor to see if there has been a rise of 4 degrees with water that enters below 110 degrees and 2 degrees with water that enters above 110 degrees. If it does not see this, it will drain and flash the clean light. The element itself should ohm out at 10 to 35 ohms. Other things you might have to check; The heater runs on the nuetral side of the door switch so you want to make sure the d/w is level and the door is closing properly. If the left door switch is not making contact, the element will not heat. Make sure all the harnesses are on tight on the control board. I have found in most of my calls on this problem it was a faulty heater. I've only had one case of a faulty thermistor. Best of luck on this..

Posted on Jun 10, 2006

SOURCE: Whirlpool ADP5966 - flash code 12 and fault on display F6

chech drain pump

Posted on Mar 03, 2008

  • 1 Answer

SOURCE: Kenmore dishwasher 15835


I have the same dishwasher, and now am experiencing the same problem as listed above.
Is there a fix for this???

Posted on Apr 27, 2008

  • 22 Answers

SOURCE: i have a Pentair MiniMax NT 250,000 btu pool heater that fails to

Two reasons.

1. There is air in the gas line. Power down the heater and allow it to try igniting until lockout. If it locks out, repeat the process. Most lines will clear within 4-5 attempts to ignite.

2. A plugged burner orifice. Run a small pipe cleaner in the brass fittings on the burner tray. They may have small webs in them restricting gas flow.

If the unit is a Standard (STD on the plate inside) it has a flame sensor that may also be bad. That sensor is on the end of the single wire that is cloase to the ignitor wire near the burners. Also check for a losse ground wire on the heater.

Posted on Dec 21, 2008

  • 126 Answers

SOURCE: control panel not working after "function lock" buttons pressed


Hit the up and down again and do away with the Function Lock.


Posted on Apr 24, 2009

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1 Answer

Loud popping noise upon start up.

if it is gas have a gas fitter look at it

May 23, 2015 | A.O. Smith BTH-199 BTH-199 100 Gallon...

1 Answer

Loud backfiring noise upon start up.

the main jet is open before the pizo starts
for safety sake have a gas fitter look at it

May 23, 2015 | A.O. Smith BTH-199 BTH-199 100 Gallon...

1 Answer

Installation: Electrical Requirements

13Mb product manual is a big download ... electrical info page 13:
Recommended both water heaters require dedicated single-phase 15 amp 120Volt line with correct polarity. This is 14 gauge wire and 15 amp breaker for each unit.
I would put both water heaters on surge protection and GFCI. Most water heaters are not protected from surge, and manual says line noise can affect operation of water heater.
Your local code would say if GFCI is required. Install GFCI breaker in main panel if required.
Install inline surge protector: Or add main breaker box protection.

AO Smith service handbooks:
Add a comment and say what you discover

May 17, 2013 | A.O. Smith BTH-199 BTH-199 100 Gallon...

1 Answer

On A.O. Smith water heater model BTH 199 100 where is the heat sensor rod located ?

Parts list:
Flame rod, flame sensor sits next to igniter inside combustion chamber. This can be cleaned with sandpaper. Do not touch with fingers. Purpose of flame rod is to detect whether ignition has caused actual, sustainable fire inside the combustion chamber.
If sensor is bad, or no ignition is detected after 2-3 attempts, then 'no ignition' error is given.
Bad gas control valve, bad-or-dirty flame rod-sensor, low gas pressure, misaligned rod, dirty combustion parts, etc

Service handbook:
High gas pressure spikes can daMAGE gas control valve p7

Product manual:
Word-search for 'failure'
Low gas pressure. p14 and p54
1-3 trials before declaring 'ignition failure. p48
bad flame sensor (clean with sandpaper) #10 p58
unit must be grounded (check outlet with circuit analyzer) #12 p58
Sequence flow chart p59
Rough starts = ignition failure p60
Troubleshoot chart - ignition failure p62

Mar 12, 2013 | A.O. Smith BTH-199 BTH-199 100 Gallon...

1 Answer

We have a AO Smith water heater Model CYCLONE X1 s/n - 0813A001865 we are having issues with this unit. The unit iwas purchased in 2008. Can you send me information on this water heater. Our plumber bought...

This doesn't sound fun. I would call the AO Smith technical support number and they might be able to help you figure this out. I hope this helps.

Please vote for this answer. Thank you.

Aug 22, 2011 | Smith A.O. SMITH Cyclone XHE Natural Gas...

1 Answer

I have a Cyclone XHE model BTH 120-250(A) series 970 and 973 flashing fault code 11. what is major reason?

Code 11-Pressure switch fails to open or close after five minutes.

This unit will produce condensation--quite heavily at times. The outlet drain hose must be allowed
to drain. Exhaust Vent piping must also drain condensate. Code 11 error would imply that these
must be checked.

90% of the time this problem is related to installation issues with either the vent or drain.

Jan 06, 2011 | Smith A.O. SMITH Cyclone XHE Natural Gas...

1 Answer

A O Smith BTH 250 error code B2 Ignition Failure What next? (I cleaned the flame sensor.)

You need to check your hot surface ignitor. You do this by checking for continuity through it with all power off. If you need to replace this be very careful as it will break if you bump the box to hard. You should check all your limit switches at the same time. Good luck.

Dec 14, 2009 | Smith A.O. SMITH Cyclone XHE Natural Gas...

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