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I'm trying to install a rheem rudd control board universal ST9120U to replace a ST9101A1014, I' ve some how gotten the wires crossed up.

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May I ask if you still need help or did you get it fixed.

Posted on Nov 29, 2010

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1 Answer

Just installed a Rheem RTG-95DVLN. Tried turning it on but all im getting is the # 82 flashing & beeping incessantly! Anybody know why or have any suggestions? Im completely stumped...


According to Rheem trouble shooting, at the end of page 61, error code 82:
Error Code 82
Explanation: Gas Type Control Data Failure; Printed Circuit Board data failure. The PCB has not
been programmed, lost its programming or has failed.
5. If the unit does not operate on initial installation or after replacement of the PCB, then the
circuit board requires programming with the fuel type and altitude chip.

http://hometips.me/Tls/SVC810-Rheem-Ruud-Tankless-Service-manual-2008.pdf

Feb 17, 2016 | Rheem Water Heaters

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Rudd Rheem 1068-311 62-23599-04 board how do I change blower speeds?


psc motors have 4 speeds each colored black blue yellow red and white. there are speed taps on the board labeled heat, cool, even heat/cool and usually Park or M1 male spade fittings for the unused speeds. on the door will tell you speed chart by wire color ie black is high and red is low speed. newer models ask you not to use red for heat. to change speeds is by changing wires and their system mode taps. (beware the push release female end locks into the board) If using black for both and there is a heat/cool tap make sure that the separate taps cool or heat are empty, or motor will receive 120 volts twice. 1 thing to remember a 3.5 ton blower with a 2 ton air cond. wouldn't want to use black too much air flow.
If you have a variable speed its all in the bible for a manual and which dip switch position for cfm air flow.

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1 Answer

Thermostat model UMC 117 keeps coding C7 why?


Generally, C7 is communication problem with remote
Error codes are considered start point for troubleshoot.
Causes can be: Bad remote, bad wire to remote, loose wire connection at remote, loose wire connection at unit, bad PC board.
In no particular order:
Check wire connections.
Disconnect remote and let water heater control temperature at default 120 degrees F, and if no further problem develops, then that might eliminate PC board as source of problem.
Replace wire to remote.
Replace remote.
Call service technician to diagnose problem.
Contact Rheem about PC board and other options.

Before calling service technician, open following links for troubleshooting resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf

Aug 14, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

My Rheem Air Handler runs all the time,a/c works fine and cools the house but I want the air handler to kick off when not in use. It's model RBHA-14J00NFRA Volts 208/240VAC PH/HZ 1/60


IS your thermostat set to automatic on the fan switch? If so then you may have a stuck fan relay in the air handler. If it has an electronic control board the relay is on the board and the whole board would need replaced. If it is not a stuck relay then you could have a crossed wire from the thermostat to the air handle, usually the green wire from the t-stat, it could be crossed with the red wire that supplies 24 volts to the t-stat.

Jun 17, 2011 | Heating & Cooling

1 Answer

Blower runs without call for heat after replacing the board wiht the st9120u 1011 honeywell


sounds like it may be wired in wrong only guessing but its either that or the control board in heater may be faulty

Nov 17, 2010 | Heating & Cooling

1 Answer

Rudd achiever serie. where do the 24 volt wires go to on the air handler.


The two wires from condensing unit go yellow or y from Tstat and theother wire goes brown if it is a Rudd or Rheem. Red from Air HAndler goes to Tstat R Green to Tstat G white to w. If it is digital tstat brown goes to C.

Jun 04, 2009 | Ruud UAMB Air Conditioner

1 Answer

Wiring match-up


If this is a standard heat cool unit. You have a tstat with rygwcob. Just color code the wire to the unit. Some air handlers such as Rheem and carrier use different collors for there common Carrier black Rheem or Rudd Brown. Two wires that go outside use yellow blue. Yellow to Y fron Tsta and blue to common or blue,blavk or brown.or C

May 30, 2009 | Heating & Cooling

1 Answer

I am trying to find a10aja2501ah condenser either rudd or rheem


I'm a Rheem dealer but I am located in the Dallas area. What you will have to do is go to the Rheem website and find a distributor in the area. If you aren't licensed, they probably won't sell to you. But that's not always the case.

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2 Answers

Rudd furnace


You have a safety limit switch that is either bad or needs to be manually reset. Some have little buttons between the two wires going to the switch that you can push to reset. If not they are automatic switchs then one is bad. You have to do an ohms test to see if each switch is bad or good.

Jan 02, 2009 | Ruud UBHC Air Conditioner

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