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Hello, I have thermostat Honeywell CM67, boiler keep turning on even when thermostat is turn off. what can i do??

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Therinnaiguy
  • 1420 Answers

SOURCE: Honeywell digital thermostat won't turn off ac.

The Honeywell CT87 thermostat is a normal round thermostat, not digital and may have a sub-base installed with it that has a two switches on it. One is for Fan (Auto or On)and the other is for Heat, Cool and Off. Make sure the Fan switch is in the Auto position and the other switch is in either the Cool or Off mode. If you continue to get cooling, you have a short in the thermostat wire or a stuck relay in th indoor or outdoor unit. To test this, while the unit is running; remove the round outer ring on the thermostat by pulling it straight off towards you. You will find 3 slotted head screws that hold the thermostat to the sub-base. These screws are located at the 3 o'clock, 7 o'clock and 9 o'clock positions. Turn these screws counterclockwise with a small head screwdriver. They are held in place so should not fall and get lost. With the front of the thermostat removed from the base, the air conditioner should stop running. If the unit continues to run, you will need to have your A/C system inspected by a technician. If in fact your thermostat is digital, look to see how it is mounted to its sub-base and remove it. If the system stops, you may have a bad thermostat or the Fan switch is in the On position. Hopefully this will help.

Posted on Sep 12, 2007

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SOURCE: remote not workin

what's happened here is the cm61 ng and the reciver box have lost there connection you will have to "rebind" them then it will be fine -




THE BINDING OPERATION DESCRIBED BELOW IS REQUIRED IF:

· Any of the system components (room unit or relay box) are replaced

· HC60NG has incorrect or no binding data stored (e.g. when pre-bound system pack components have been mismatched)

· Interference with the RF signal has caused a communication failure

During the binding procedure keep approximately 1m distance between the room unit and the HC60NG

1 Turn off mains supply to HC60NG for 10 seconds. Re-connect supply.

2 Press and hold the HC60NG push button for 15 seconds to reset previously stored data. The red LED will start to flash at 0.1 s on/0.9 s off. Release the push button.

3 Press and hold the HC60NG push button for 5 seconds to enter the binding mode. Red LED flashing at 0.5 s on/0.5 off confirms the binding mode has been entered.

4 Move the CM67NG slider to the OFF position (CM61 push the OFF button) and press the TEMP , TEMP and PROG 1 buttons together. The CM61/67NG will display InSt.

5 Press the i button to send the binding signal. The red LED is switched off on the receiver box to confirm the successful binding operation. If the red light still flashes push the repeat steps 1-3 and press the the i button until binding is successful.


hope this is helpful

Posted on Feb 16, 2009

  • 333 Answers

SOURCE: require room thermostat for ferroli combi boiler

almost any thermostat you install will have the 2 wires that you are looking at It depends on how in depth you want to get with your thermostat. Home depot will have what you need. I hope this helps. Don't forget to rate my answer.

Posted on Feb 18, 2009

  • 252 Answers

SOURCE: HONEYWELL T87N 1000 ROUND THERMOSTAT

the power for that stat comes from the furnace - if you have no display on the stat you have a furnace problem

Posted on Sep 28, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: I have a Honeywell Thermostat CM67NG The flame

You may have a broken thermostat wire. Disconnect the wires from the thermostat and please note what colors are hooked to which terminals. Cross the R and W wires and see if your heating system turns on. If it does not, you have a broken wire or bad connection at the heating system. If it does start, you have a bad thermostat or bad connection at the thermostat.

Posted on Nov 30, 2009

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My heat is turning on but the fan isnt working. my honeywell thermostat is showing a flame and a blinking battery, and i know nothing about this thermostat, we just moved in . Can u help?


This is not a PC problem
Symptom
Heating comes on, but sometimes it
gets too hot, sometimes too cold.
Neutral not connected
Cure
Check wiring in room thermostat. Look for a
connection to the Neutral terminal (N 2 on
the Honeywell T6060, T6160, and T6360).
Make sure that it is connected (check
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If there is no neutral available, replace with a
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CM67. These will also offer extra energy
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Central heating thermostat


Looks like it was replaced by the CM67 series, try this link for the manual:

http://www51.honeywell.com/pacific/common/documents/CM67_User.pdf

Geno

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