20 Most Recent Ruud Defrost Control Board 47-102684-08 Rheem Weatherking 1157-121 Questions & Answers

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Rheem heat pump not coming on in heat mode. Control board has two LED lights # 1 solid, #2 blinking. What does this mean?

Usually wen the led lights are blinking it means there is a problem. If you look on the door or the cover there should be a code that tells you what the blinking represents. Example - one blink per second - compressor, two blinks - fan motor, etc. The other thing you can do is look up the model number on line for the installation manual and it should have all the info you need.
1/10/2015 4:33:12 AM • Ruud Defrost... • Answered on Jan 10, 2015
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Heat pump kicks out for "Low pressure switch

Have you checked the pressures? if you have is it just the suction pressure low or are both the suction & the head pressure low? you could have multiple things cause that ex. low in freon, restriction, bad low pressure switch, bad board. If you don't know what your doing call a service tech. the LOW pressure lockout is a safety to prevent damage to your compressor.
10/15/2013 6:16:26 PM • Ruud Defrost... • Answered on Oct 15, 2013
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RUUD Silhouette II UGLH-15EARJR not always coming on

It sounds like there may be an issue with the ignition system of your RUUD Silhouette II UGLH-15EARJR furnace. Based on your description, it appears that the furnace is not always coming on correctly. The blower comes on, but after 30 seconds, you hear a click, and the far-right flame comes on, but it goes out after 5 seconds. Eventually, throughout the day, all the flames come on, but they don't come on the first time. This problem could be caused by several issues, including a malfunctioning ignition system, a problem with the flame sensor, a dirty or clogged burner, or a problem with the gas valve. To troubleshoot this issue, I would recommend checking the following:
  • Check the flame sensor and make sure it's clean and properly aligned with the flame
  • Check the burner and make sure it's clean and free of debris
  • Check the gas valve, it could be stuck closed or malfunctioning
  • Check the thermocouple, it could be faulty
  • Check the control module, it could be malfunctioning
It's important to note that gas appliances are complex systems that require specialized knowledge and skills to troubleshoot and fix. If you are not comfortable working on these issues, it's best to call for professional help, as it may require specialized knowledge and skills to troubleshoot and fix the problem.
1/18/2023 3:28:47 PM • Ruud Heating &... • Answered on Jan 18, 2023
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Ruud standing pilot furnace burners won't ignite?

You need to clean the pilot its blocked when it burns yellow .No heat in it.
1/15/2023 9:10:10 PM • Ruud Heating &... • Answered on Jan 15, 2023
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Ruud silouette furnace model number UGLJ-07EAUER had the control board replaced 24 hrs later the blower does not kick off once runs continuously.

Your fitter didn't fix the original issue it would seem. That is the problem with fitters, they cannot repair things.
11/16/2022 8:10:48 AM • Ruud Heating &... • Answered on Nov 16, 2022
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Where is the pilot light for RUUD Furnace model UGAC-045C

The pilot light for RUUD Furnace model UGAC-045CJB is located on the control panel.
11/5/2022 12:56:30 PM • Ruud Heating &... • Answered on Nov 05, 2022
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My Ruud Achiever 90 Plus MDL: UGRA-09EZAJS is 17 years old. Runs fine but wonder if I should replace the blower motor and go to a variable speed motor

The variable speed DC motors you describe do use less power but cost 14 times more too, not worth it especially with you motor running!
10/23/2022 10:17:34 PM • Ruud Heating &... • Answered on Oct 23, 2022
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Electricity dropped momentarily; AC no longer cools

Open the main breaker for 5 minutes and see if the unit resets. Momentary power fluctuations can cause odd behavior, especially in older units. This could also have been the final jolt that killed a failing capacitor.
9/17/2022 3:01:26 AM • Ruud Heating &... • Answered on Sep 17, 2022
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RUUD AC, what dual round capacitor do I need?

Check out the link. replace by shape and contacts. https://www.google.com/search?q=RUUD+Achiever+10%2C+replacement+capacitor Compressor https://www.google.com/search?q=copeland+zr34k1-pfv-230+capacitor Fan Capacitor https://www.google.com/search?q=Emerson+Model+K55HXJKL-2918+capacitor Or contact Rudd direct, we aren't they

Capacitors - Ruud Replacement Parts

https://parts.ruud.com > category > ru-capacitors Dual Oval Capacitor - 55/10 uF, 440 VAC, 1.970 x 3.670 x 5.750 (max.) in. .....
8/9/2022 5:29:16 PM • Ruud Heating &... • Answered on Aug 09, 2022
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Help me replace Ruud Achiever 12 contactor?

https://homesteady.com/how-8185688-replace-ruud-ac-contactor.html
8/5/2022 9:29:40 PM • Ruud Heating &... • Answered on Aug 05, 2022
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Have old Ruud heat pump 10 seer model # UPKA-031JAZ serial #6389 & my start capacitor has stopped doin it's job. What is the replacement part number please

You can get an aftermarket replacement as long as the ratings are the same. I keep a spare for my unit and its saved me several times over the years.
As to your question, it looks like the part number is 43-23204-04. Looks like several options for those specs on Amazon.
7/25/2022 8:37:32 PM • Ruud Heating &... • Answered on Jul 25, 2022
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I got no nameplate info on an older RUUD system late 1990's and blower motor is not working also specs are not readable. How do I know what size motor to use?

First off how do you know the motor is bad? Have you checked for voltage, the capacitor, the relay? The motor itself will have a data plate telling you horsepower/voltage/rpm/shaft size.
6/26/2022 6:47:02 PM • Ruud Heating &... • Answered on Jun 26, 2022
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Ruud Ultra U96V furnace that won't shut off

have you checked and tested the relay for overheating or sticking on when the problem occurs
4/19/2022 12:35:29 AM • Ruud Heating &... • Answered on Apr 19, 2022
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Where is the flame sensor on the Ruud Silhouette ll Gas Furnace

Right at the end of the pilot light.
11/7/2021 6:18:04 PM • Ruud Heating &... • Answered on Nov 07, 2021
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What size dual capacitor does a Ruud uafd-036jas use?

Many times if you look on both motor data plates you will see mfd ratings. Can’t find it myself but you can’t go wrong with a 35/5
7/26/2021 12:09:02 AM • Ruud Heating &... • Answered on Jul 26, 2021
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