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Noam thermostat is locked

I can not change the temperature on my Noma thermostat, because there is a lock symbol on the screen and I don't know how to turn it off.

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I have a T1700 in my apartment and my air want shut off and i see a lock symbol on it how do i shut it off


Do you mean a Venstar T1700 thermostat? If that is the case, the Lock symbol merely indicates that the keypad is locked to keep people from reprogramming the thermostat. This prevents anyone from quickly changing the target temperature or the swing temperature (the temperature at which the unit turns on) for the HVAC system. To unlock the keypad, press and hold the Mode button. Then press both the Up and Down arrows. Release all three buttons when the lock symbol disappears.

If the AC has cooled your apartment to a temperature below the target temperature for the current time period, then the control board of the HVAC may be damaged. (It isn't getting the message and has failed in the on position.) Contact an HVAC repair professional.

If the thermostat is indicating that the room hasn't reached the target temperature, then you should replace your thermostat. The thermistor has failed. (Contact Venstar if the thermostat is less than one year old.)

I hope this helps.

Cindy Wells

Sep 27, 2014 | Heating & Cooling

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Need user manual for noma thm405r programmable thermostat


I want to know how to program thermostat NOMA THM405R, I changed the batteries and now the clock and programing is cracy.

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My washer is loc and I don't know how to unloc it


The Control Lock (child lock) is on: To prevent accidental operation of the washer or alteration of the cycle settings, press and hold the lock symbol until you hear 3 beeps and ?LOC? is displayed.

To cancel, press and hold the lock symbol until ?LOC? is no longer displayed. To put the control into control lock you do the same thing.

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I CHANGED MY PASSWORD ON MY SIEMENS AMILO Si 1520 NOTEBOOK AND AM LOCKED OUT SINCE. I WANT TO KNOW WHERE IS THE CAPS LOCK STATUS SYMBOL ON THE KEYBOARD IN CASE CAPS LOCK WAS ON WHEN I CHANGED THE PASSWORD...


The Caps Lock button is normally to the left of the "A" key on the keyboard. I don't know that specific laptop, but there may be a light with the letter "A" in a padlock shown on the top of the keyboard, which will indicate the specific status of the caps lock.

Jul 26, 2011 | Fujitsu Siemens Amilo Si1520 Laptop...

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I have a Carrier furnance that is about 20 years old. I don't know the model or do I have a manual. The thermostat is a programmable Noma (model THM301M). When I set the the thermostat to hold a...


I would start by installing a new thermostat because it sounds to me like it's either the thermostat or the control board and the t-stat is the less expensive of the two. I hope this helps you and thanks.

Jan 05, 2011 | Heating & Cooling

1 Answer

My thermostat is not working. It might be locked. It's blinking with all of the information it holds flashing on the screen. The part number is: tstatccnhp01-c My heat is no longer working. Can you...


Instructions
  1. 1 Unlock a partially locked screen by pressing any locked key, which will bring up the "Screen Locked" message. Next press an unlocked key, which will likely be the temperature up and down arrow keys. This will unlock the screen.
  2. 2 Press the "System" key from the home screen. Five blank touch keys, flanked by the "Done" and "Cancel" keys, will appear. Hold down the middle key for about five seconds. The Advanced Settings menu should come up.
  3. 3 Change the User Setup Number, found in the bottom left of the screen, by pressing the middle arrow keys up or down. Set the number to "0670," the universal unlock code.
  4. 4 Turn to the arrow keys on the right side of the screen. Press the keys up or down to change your options. Selecting the number "0" will unlock the screen, while choosing "1" will partially lock it. You can fully lock your screen again by selecting.


Read more: How to Unlock the Screen on a Honeywell Thermostat ' eHow.com http://www.ehow.com/how_7667347_unlock-screen-honeywell-thermostat.html#ixzz19ktDWSq8

Jan 01, 2011 | Heating & Cooling

1 Answer

Honeywell thermostat


If you lost the manua, you can go to their site and download it.

Hard to help more without a model number. Sorry.

Geno

Feb 22, 2008 | Honeywell Programmable Thermostat Heater

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