Question about Honeywell HZ708 Oil Filled Radiator Heater

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Honeywell HZ708 won't turn on. I would open the case to see what is going on but it has two unique screws holding it in place that I do not have a tool for. No lights come on; nothing. Any ideas?

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  • keishashipp Nov 21, 2008

    When I press the on button, an F appears on the display. It stays on for about 5 seconds and then cuts off.

  • kathomar Dec 10, 2008

    it won't turn on-it worked yesterday...I turned it off and unplugged it like I do every evening...now it just won't go on

  • Anonymous Dec 16, 2008

    There's no heat. The display is working, however, it will not heat.



  • Anonymous Dec 19, 2008

    I have the same problem

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I have found one that the power cord inside the cover has burned up a mechanical splice from the cord coming in to the smaller wire going to the electronics. The only way I have to correct this problem is to replace the crimp on splice.

Posted on Feb 27, 2008

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Posted on Jan 02, 2017

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1 Answer

Our thermostat has "HOLD" on


Hi, Either push the program or resume program button... or on some you need to push the hold button again to take the hold off... Check the manual if all of this does not work... but the t-stat may be fried...

Here is a tip that tells you how to get a manual for most any Honeywell productonline...

Manual Honeywell How to Find Honeywell Manuals

heatman101

Jul 24, 2011 | Honeywell Electronic Programmable...

Tip

Easy fix for the turn off on the HZ-709 oilded radiator


Problem: firs let's identify the problem, there is a sensor on the inside panel, made originally for safety if you tipped the heater off, it kill the power causing it to turn off...after a year of so that sensor get a little rusty/dirty causing it not to work correctly...

let's find out how to fix that annoying turn off..

tool needed, a phillip screw driver.. electrical tape or soldering unit..

fixing it: take out the top and bottom screws, to open the panel. after you open the panel you'll see a metal bar screwed to the front controller...take all 6 screws out...the front panel comes off....then there is about 4 screws holding an inner box, open that up..
inside there, you;ll see lots of wires...look for 2 small blue wire running together to a black sensor that make noise everytime you move it....

disabling the sensor
------------------------------
2 ways you can do this..

-you can cut the wire off using a scissor, and connect the blue wires together, use the tape to tape them.
or

- you can solder them together on the back of sensor panel...


there you go problem solved...

on Mar 25, 2008 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

Turns itself off after only 1-2 minutes running time.


There should be a thermoswitch. Set it to a higher level. If it already high, it is probably defective.

Feb 17, 2010 | Honeywell HZ708 Oil Filled Radiator Heater

1 Answer

Heater will not turn on


Is the unit level. Does it have fluid in the chamber. That is the two most common problems. Rus

Nov 07, 2009 | Honeywell HZ708 Oil Filled Radiator Heater

1 Answer

Broken Caster


you should still maby have a warrenty

Jun 24, 2008 | Honeywell HZ708 Oil Filled Radiator Heater

1 Answer

Honeywell HZ-709 Oil Filled Radiator


Problem: firs let's identify the problem, there is a sensor on the inside panel, made originally for safety if you tipped the heater off, it kill the power causing it to turn off...after a year of so that sensor get a little rusty/dirty causing it not to work correctly...

let's find out how to fix that annoying turn off..

tool needed, a phillip screw driver.. electrical tape or soldering unit..

fixing it: take out the top and bottom screws, to open the panel. after you open the panel you'll see a metal bar screwed to the front controller...take all 6 screws out...the front panel comes off....then there is about 4 screws holding an inner box, open that up..
inside there, you;ll see lots of wires...look for 2 small blue wire running together to a black sensor that make noise everytime you move it....

disabling the sensor
------------------------------
2 ways you can do this..

-you can cut the wire off using a scissor, and connect the blue wires together, use the tape to tape them.
or

- you can solder them together on the back of sensor panel...


there you go problem solved...

Nov 07, 2007 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

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.

Sep 11, 2007 | Honeywell CT87B ROUND HEATING&COOLING...

1 Answer

CORD


this job should cause an electrician no problem - hopefully a 5 minute job at most - if you know anyone who has a basic knowledge of wiring they should be able to fix it also, but please be sure that they know what they are doing or you could injure yourself or damage the heater or property. If you fancy trying it yourself then please post again and i can talk you through it. Hope this helps :)

Nov 09, 2006 | Honeywell HZ708 Oil Filled Radiator Heater

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