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How to descale bunn cwt f15

Water is not getting hot enough thermostat is all the way up, ready light not lighting up

Posted by keith k on

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5 Related Answers

Gord Thurston

  • 131 Answers

SOURCE: BUNN Pour-Omatic

Most likely it is your tank heater, but look on the top of the tank heater, because sometimes the wire will burn off the top of the element

Posted on Feb 11, 2009

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Anonymous

  • 18 Answers

SOURCE: No coffee.....but hot water spiggot is OK.

yes there is clogged inside its either the hose or the keypad / connection of the control is corroded.

Posted on Mar 09, 2009

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Ernest R

  • 1618 Answers

SOURCE: bunn cwtf15, water does not heat, ready light on all the time

There is an inline thermal fuse on the right side of the element, check to see, if it has resistance, if not replace.

Posted on Apr 01, 2009

bansheracer

  • 1089 Answers

SOURCE: will no ventilate,no hot water will not descale

HI
You have a calcified solenoid valve for you steam and hot water. It either case it has to be taken apart (which is not easy) or replaced. This is why we need to descale more often. Solenoids work on close tolerance and any scale on them will cause the to stick and not activate. Now they will not open to allow water to flow. So now you can't ventilate. Sorry

Posted on Nov 15, 2009

mwarej123

  • 454 Answers

SOURCE: water not hot enough on bunn vpr

Make sure vacation switch is turned on (preheats water).

See manual here:

http://www.bunnomatic.com/pdfs/retail/usecare/41756.0000_STX_NBX_U_C_English.pdf

Posted on Dec 22, 2009

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1 Answer

Won't get hot


Don't know the model but here are things to check prior to calling your vendor for service:
* Plugged in? No lights? Check if GFRI outlet is tripped out.
* Is it turned on and ready light lit? Some (CWTF's etc.) have a green or read ready lamp that lights up when the brewer is hot and ready to brew.
* No Ready light after 15-20 mins of being plugged in? Cheuck the back of unit for a toggle switch (or rocker switch). Check if it's on. Some units may say "Vacation". It should be on normal or brew.
* Brewing works but not hot. Was the ready light on when you started the brew? You have to wait till it's lit. Still not hot? Then call for service. The heater, High limit, Thermal fuse,Thermostat needs to be checked.
* If this is a new unit then be sure to turn on the thermostat as it comes from the MFR in the off position.
* Final, Call your vendor to be safe.
Aloha, ukeboy57

Oct 15, 2017 | Bunn Coffee Makers & Espresso Machines

1 Answer

Bunn not heating water


Don't know the model but here are things to check prior to calling your vendor for service:
* Plugged in? No lights? Check if GFRI outlet is tripped out.
* Is it turned on and ready light lit? Some (CWTF's etc.) have a green or read ready lamp that lights up when the brewer is hot and ready to brew.
* No Ready light after 15-20 mins of being plugged in? Check the back of unit for a toggle switch (or rocker switch). Check if it's on. Some units may say "Vacation". It should be on normal or brew.
* Brewing works but not hot. Was the ready light on when you started the brew? You have to wait till it's lit. Still not hot? Then call for service. The heater, High limit, Thermal fuse,Thermostat needs to be checked.
* If this is a new unit then be sure to turn on the thermostat as it comes from the MFR in the off position.
* Final, Call your vendor to be safe.
Aloha, ukeboy57

Jun 12, 2017 | Bunn Coffee Makers & Espresso Machines

1 Answer

Water is not getting hot enough


thermostat set too low.
leak in hot water line or hot water being used too fast.
defective thermostat

Dec 09, 2014 | Reliance Water Heaters

1 Answer

Ford explorer sportrac evap and catalyst not ready problem how to fix it?


One possible issue is a faulty thermostat. If the engine is not getting up to normal temp the emissions system will not go into closed loop.
I know its hot in Nevada now so thats just a suggestion.
The O2 sensors have heaters to make the exhaust gas hot quick so that the sensors can work.
Is the check engine light coming on - or is it just that the exhaust gas is not hot enough for the test equipment ?

Aug 09, 2012 | 2002 Ford Explorer

1 Answer

How do you perform a descaling to a Bunn CWTF15 3LWR


The CWT 15-3 has a water tank that can be filled by a water line attached to the machine or by removing the thumb screw on top of the machine near the front. The screw holds a small cover about 2 by 6 inches that lifts off. You can use this to pour water in if you don't have a waterline hookup. This is the tank opening into which you will pout a quart of vinegar to descale the machine. Also this machine has a long thin spring with it from the factory. If you remove the brew funnel, then unscrew the sprayhead above the brew funnel, you can descale the tube that carries hot water from the tank to the brew funnel. Just snake the spring into the tube where you unscrewed the spray head, and slide it in and out until you no longer see scale on the spring. When you pour a quart of vinegar into the machine let it sit for 20 to 30 minutes and then flush with 3 or 4 carafes of water. This should remove the scale from the tank. In areas with hard water and high usage of the machine, one cycle of vinager may not be sufficient to totally remove all the scale. Repeat as necessary until the water is clear.

Sep 14, 2010 | Bunn CWT 15-3 (3 Lower Warmers) Coffee...

1 Answer

My bunn cwtf 15 wont put out hot water and the ready light wont turn off dustain


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...)

Jun 14, 2010 | Bunn CWTF15-TC

1 Answer

My machine has stopped producing hot water. The lights don't even flash to show it's heating up when I switch it on, it just goes straight to ready mode & then when I brew some coffee it comes out...


Either your coffee boiler elements are damaged or the thermostats on there are damaged or tripped, use an ohms meter to check element and thermostats.

May 20, 2010 | Gaggia Syncrony Compact Coffee...

1 Answer

Warter does not get hot in my bun coffee make


Check the thermostat on the top of the boiler and the inline fuse on the element to the ready light.

Feb 24, 2010 | Bunn Automatic Coffee Brewer CWTF15 1

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