My bunn water coning out is warm not hot - Bunn 10 Cup Home Coffee Brewer

If all passages are not plugged up it should flow through with or without heat in the tank.

This is really a home style VPR brewer (but looks nicer)
if you listen to their video (link below) they mention it has a pre-heated tank of water already in the brewer. This means the brewer needs to be pre-filled with a full pot of water and pre-heated prior to using the brewer. Unplugging this unit won't be a problem UNLESS it was emptied of tank water and not refilled when powered up.
* The unit will try and heat up the tank of water but if empty then just air which overheats the unit then blows the thermal fuse. Call for service.
* The warmer is still working but it's not hot enough to brew frequently as the warmer may take up to an hour to get the tank hot enough to brew or it may not get hot at all if it's own thermal fuse blew too.
* Final; call for service to be safe.
Aloha, ukboy57
https://www.amazon.com/BUNN-Velocity-10-Cup-Coffee-Brewer/dp/B00EAQJCWW/ref=sr_1_1?ie=UTF8&qid=1516431654&sr=8-1&keywords=bunn+nhs+velocity

No warmer plate llight:
Usually means bad switch. Bunn Part no. is 20316.0001. Replacement available at link below.
Bunn Home On Off Warmer Control Switch Lighted

Note differences in switch wiring in photo below between old and new style switches.


Coffee not hot:
Make sure "Vacation Switch" is in OFF position.

Is it still under warranty? Bunn should take care of it for you if it is. Usually if the coffee is only warm it may mean that a thermal limit has tripped. The water stays warm because the tank has a heater blanket that is wrapped around it but you aren't getting any power to the heater that is in the tank.
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If your ready light is on and your water is not warm... sounds like the thermostat is too low. Inside the front panel (behind the brew basket) there is a thermostat adjustment on the left-hand side. If you turn that up your ready light should shut off. You can then adjust the temp to your desired level. (194-200 degrees depending on roast, grind, etc...)

The switches are for the "warmers" only. The brewer has a reservoir the keeps water hot and ready for brewing. When it is not re-heating water (after brewing) it has a "keep warm" heater that is low voltage and keeps it ready to go.

Check the Hi-limit thermostat on top of the tank, then the pressure stat setting and then the inline fuse and then elements.

may i try and help you. you may have a machine that only makes coffee lute warm. try and warm the cups before hand.

No it is probably the screen that is either in the end of the hose that attaches to the machine, and/or the screen is placed so that the cone is toward the machine instead of pointing away from the machine.
If the cone is pointing towards the machine any debris in the lines would collect and eventually fill the screen cone and slow or shut off water flow.

Most likely this is your heating element, but it could also be your main thermostat