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The thermostat (RobertShaw 9500) is cooling and working properly to the correct temperature. The problem is the correct temperature is not being shown on the thermostat. The thermostat is not in the heat or sunlight.

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6 Suggested Answers

  • 1 Answer

SOURCE: The Honeywell Programmable Heat Pump

if your problem has existed since the begining of installment it could be a return/ thermostat placement problem. if the return is to close to any supply vents it will run like that and your thhermostat will read like that

Posted on Apr 25, 2008

  • 958 Answers

SOURCE: RobertShaw Thermostat 9600 problem

verify if you have separate units for each floor.

the ones working could be a complete separate unit from the one having problem.

look at the condensing units you got outside , how many are there?
if you have 3 units outside and you have 3 thermostats, then each thermostat is controlling individual split units.

we have to concentrate on the one that is not cooling. give me the details on what is going on with problematic one.

is the outside unit running?
is the outside fan running?
can you distinguished if the compressor is running the same time as the fan?

tnx 4 using fixya,

drcool

Posted on Sep 14, 2008

  • 45 Answers

SOURCE: Robertshaw 9420 thermostat engages inside fan in OFF position

check with the company u brought it from and check if you have not put the correct conector to the right temals on the back of the switch.

Posted on Jun 09, 2009

  • 74 Answers

SOURCE: Heat comes on when the temperature setting calls for cool.

getting heat in the cooling mode leans toward the reversing valve in the outside unit. it changes the flow of refergerint so that the hot air you get outside in the summer is blown inside in the winter. another possibility is that the reversing valve isn't getting 24v check to see if you have 24v at O and C either at the t-stat, furnace, or the outside unit. if you check at the furnace rember the safty switch for the lower door if that switch is open you will have no power. i would look at the t stat first if you have 24v there go to the outside . 24v present outside will mean a bad valve or board, no 24v means a bad or broken conection in the control wire between the stat and the outside unit(usally the orange wire)

Posted on Jul 11, 2010

  • 24 Answers

SOURCE: The thermostat will not cool

Your thermostat is probaly not the problem. Is the outdoor unit running?

Posted on Oct 07, 2010

hvac1960
  • 2133 Answers

SOURCE: We have a Goodman Model:

Check gas pressure is o.k.

Posted on Jan 16, 2011

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1 Answer

Trying to find model number on a robertshaw thermostat


Why? There are many thermostats available which simply need to match the system you are using to heat and cool your home. I recommend the most basic thermostat that will do the job rather than any of the complex digital ones, each of which have their unique programming methods which read like a geek manual. Just be certain that the wiring that connects the thermostat to the HVAC system is done properly. In most cases, simpler is better.

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After I have been reading up on your unit it appears that the thermostat is not operating correctly. I found this real basic information on installation for your unit. This link I am giving is pretty basic instal schematics. But seems to be something about your thermostat needs to be dialed in or is not working properly.

http://www.premsales.net/docs/GE/GE%20Minisplits.pdf

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1 Answer

Robertshaw thermostat, it wont let me change the temperature to up or down its set on 77* for air conditioning.


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Hope this helps.

Sep 14, 2011 | Air Conditioners

1 Answer

Robertshaw 9420 thermostat engages inside fan in OFF position


check with the company u brought it from and check if you have not put the correct conector to the right temals on the back of the switch.

Jun 09, 2009 | Air Conditioners

2 Answers

Robertshaw 9600: Temperature rises too high, fan doesn't stop.


It sounds like the thermostat is wired improperly. One quick was to check is by finding breaker to unit and shutting off power. Go to thermostat and remove from wall take all wires off thermostat besides wire going to R(might be RcandRh) and C(which is common) Tape all bare wires removed with electrical tape. Now go back to the breaker and turn power back on. Nothing should be running at all. Take a voltage meter and measure the voltage from R to W(which is heating). If you read 24V then the thermostat is open and not calling for heat. Now turn the thermostat up so it is calling for heat. You should read 0V from R to W. If this checks out your thermostat is probally fine. You can check the fan the same way by going from R to G. In auto you shoul read 24V from R to G and in th on postion you will read 0V from R to G. If the thermostat checks out then the problem is probably at the furnace or rooftop. Either with the thermostat wiring or the main board acting up

Jan 19, 2009 | Air Conditioners

1 Answer

Thermostat problems


Have you confirmed that the thermostat is programmed correctly?

Did the thermostat ever control the temperature of the house properly?

When you indicate "kick", are you talking about flipping the Auto-On switch back and forth? The Auto-On switch only controls the fan, and no heating or cooling (Auto - fan runs on call for heat or cool, On- fan runs all the time.).

If "kick" means making the heating work, and if you have the same problem for making the cooling work, chances are good you have bad thermostat.

If the problem only occurs with the heating, and cooling works fine, then the problem could be in the controller board of the furnace, assuming you have a more recent (1990's or newer) furnace.

Jan 16, 2009 | Air Conditioners

1 Answer

RobertShaw Thermostat 9600 problem


verify if you have separate units for each floor.

the ones working could be a complete separate unit from the one having problem.

look at the condensing units you got outside , how many are there?
if you have 3 units outside and you have 3 thermostats, then each thermostat is controlling individual split units.

we have to concentrate on the one that is not cooling. give me the details on what is going on with problematic one.

is the outside unit running?
is the outside fan running?
can you distinguished if the compressor is running the same time as the fan?

tnx 4 using fixya,

drcool

Sep 14, 2008 | Air Conditioners

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