Question about Honeywell LYNX Touch - L5000 LYNX Touch Touchscreen Color Graphic Wireless Self-Contained Security System

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Honeywell LYNX Touch - L5000 does diagnostic but will not load touchscreen interface

Tried to add new motion sensor, would not let me in to section even with password. decided to cycle power, plugged it in and it only does diagnostic check, everything fine according to check, but the screen goes white. no interface. tamper switch intact. tried several times with battery disconnected and no luck. checked inside for loose parts,chips and cards.everything in place and secure.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: heat will not turn off

Call 1-800-341-0110, Honeywell Residential tech service.

Posted on Nov 15, 2007

  • 6966 Answers

SOURCE: Dy/night heater turns on for 10 sec then and off, over and over

Hi and welcome to FixYa,

If I understand your concern, it is that the heater switches itself on for 10 seconds and then switches itself automatically off. A couple of ideas of you may want to explore/check:

  1. the built-in protection system detects an internal fault and to prevent any further damage switches itself off;
  2. the faults could be:
  • open heating element (assuming it is electrical);
  • blower not turning;
  • open limit switch. The limit switch is an inline cutoff to the heater that automatically opens up when the heater exceeds a pre-determined temperature independent of the settings in the thermostat. This is like a thermal fuse once gone bad will remain open;
  • whereas a thermostatic switch will turn on if temperature is below its threshold and turn off if the temperature is above. It is basically an on/off switch.
Often the limit switch would look like the image below.
To be able to provide a more detailed information/assistance, pls verify & post back the model number of the Day Night Heater. Model 8ou-19 does not turn up anything. Or perhaps you can share the website you were referring to.

Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 21, 2008

  • 614 Answers

SOURCE: A/C won't kick on w/ Honeywell RTH230B

Make sure you jumper R to rh. Russ

Posted on Jul 31, 2009

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SOURCE: Honeywell RTH230B works on AC not on Heat

check wiring to furnace check wire hook ups on board match letters and colors sometimes installer use what ever wiring they chose on letters

Posted on Oct 17, 2009

  • 43501 Answers

SOURCE: A/C won't kick on w/

Okay it seems that for some reason the battery change scrambled the brain of the t-stat... that happens...
To fix it you will now have to go into the "Installer Menu" and reset the paramenters of the t-stat.
If you have the Installe brochure then you can look in there and then set the tistat for "heat/cool" and also to "auto fan" and then to "auto changeover" These should get you back to cooling again...
No big problem, just a small programming patient and if you do not have you book don't worry... you can look it up here...this tip tells you where and how to find any of the Honeywell t-stat manuals.

Manual Honeywell How to Find Honeywell Manuals


Posted on Aug 21, 2010

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