Question about Heating & Cooling

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Eheat will not come on

The heat pump works, but eheat does not. This system worked earlier in the season, but has been off a couple weeks. When I tried it today, the theromstat said 'clean filter aux heat,' so I did that;I also replaced intake filters then pushed the reset filter button. Nothing happened. I also turned off the power switch to the unit for a few minutes. Still nothing. The only sound I hear is the thermostat control click to signal the change from heat to eheat. Is there anything else I can try before calling for service?

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  • Master
  • 973 Answers

When resetting anything electronic, leave switched off for about 15 mins. The electronic boards store the memory of any failure or problem and switching off for only a few seconds or minutes will not reset the board. Turn off at the mains supply not the wall control.

Posted on Nov 25, 2013

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SOURCE: Rinnai RHFE 1001FA

Joe,

If you are having trouble with the flue icing up on the air side, just remove the flex air hose from the back of the unit. It will now **** room air. When the weather conditions change you can hook the hose back up. As you can see the flue doesn't give much space for the air. As far as the front cover, I think you need to clean the circulating fan blowers as well as the screens.

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Tom Hawkins
hawkins111@gci.net

Posted on Jan 14, 2009

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SOURCE: Toyo Laser 56 EE2 message--no flame? valves open and clean filter

You might of got type 2 fuel oil. If it is a smaller tank sometimes the fueler doesn't clear the line before filling and you'll slug down some type2 which will snuff the flame.
Check to see if the filler kinked a line outside while filling.
Just an Idea...

Posted on Oct 23, 2009

FurnaceGuy
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SOURCE: Buzzing sound when aux heat comes on

Sounds like it could be a effiency function to warn you that the heat elements are on. Check your thermostat manual and see if you can turn this feature off. If this is not a feature then the thermostat may be wired wrong or something in the circuit may be trying to short out.

Posted on Jan 04, 2010

  • 415 Answers

SOURCE: I have a Raypak 147CHL boiler used for our house's

Check to see if there is voltage going to the Hot Surface Ignitor when you first try to fire it up. If you have voltage but it fails to glow, the hot surface ignitor has failed and will need to be replaced.
Also ensure you have proper flow through your boiler......make sure you have water flowing through the boiler and, if there is a flow switch, check the voltage across the two terminals of the switch......check each to ground for voltage. If you have voltage, then check the voltage reading across the two terminals themselves, you should read 0 volts across the terminals (indicating the switch is closed).
Hot surface ignitors are "wear-n-tear" items and should be the first place to check.
I hope you find this information to be very helpful to you moving forward.
Please let us know if you need further help. :-)

Posted on May 18, 2010

Testimonial: "Hi Laddybug68, thanks for your infor. My system is nearly 10 yrs old & I haven't replaced the ignitor before. I've replaced the ignitor which was a Norton mini 401 mounted along side a flme sensor. I also replaced the Igniter control board /box which was a RAM-H4M7-01 and the boiler is working. Thank you very much. Regards Afanco ( Melbourne, Australia)"

heatman101
  • 43501 Answers

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

Hi,
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 issue...be 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
http://www.fixya.com/support/r3894275-manual_honeywell_find_honeywell_manuals

heatman101

Posted on Aug 21, 2010

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