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Masterbuilt Gravity Feed

Bigheaded

Meat Mopper
151
164
Joined Mar 14, 2021
I ran out of firestarters so I did what Tommy from Backyard BBQ on YT suggests. Folded up a paper towel, soaked it in canola oil and it worked well on my 560.
 

BBQ Bird

Smoke Blower
SMF Premier Member
113
125
Joined Jan 14, 2021
I ran out of firestarters so I did what Tommy from Backyard BBQ on YT suggests. Folded up a paper towel, soaked it in canola oil and it worked well on my 560.
This is what I've been doing with my 800 since I got it in January. Mostly it's worked well. I've had a few times recently where I've had to use a 2nd paper towel, but I think it's been due to bad charcoal.
 

Smokenjeeper

Newbie
15
12
Joined Oct 16, 2020
Odd thing has happened. Last 2 cooks, my 1050 won't get past 500. Fan slows down right at 500 . Was trying to go to 600 and she just dies. Have over half full on charcoal
 

Chasdev

Smoking Fanatic
678
476
Joined Jan 18, 2020
I would think a bad switch would cause the display to read "open".
All a door switch can do is report continuity or and "open" circuit to the processor.
Any sensor input that would cause the processor to alter the temp you selected should appear on the screen as an error.
I would send an email to Masterbuilt and describe the episode.
 

912smoker

Smoking Fanatic
SMF Premier Member
955
547
Joined Nov 29, 2020
I would think a bad switch would cause the display to read "open".
All a door switch can do is report continuity or and "open" circuit to the processor.
Any sensor input that would cause the processor to alter the temp you selected should appear on the screen as an error.
I would send an email to Masterbuilt and describe the episode.
You will not get an error message on the control panel. I had the same issue.
If you quickly press and release the switch 20 times or so it should start operating correctly.
 

Roman Buffalo

Fire Starter
63
103
Joined Apr 30, 2020
You will not get an error message on the control panel. I had the same issue.
If you quickly press and release the switch 20 times or so it should start operating correctly.
Have you had this issue the whole time or just with the recent update? Mines been acting up when it comes to going into higher temps. If I want to go from 375 to 600 it pretty much go to 500 and the fan will slow down then actually drop in temp from there. Only thing I can think of was it had an update not long ago.
 

worldbfreebase

Smoke Blower
78
56
Joined May 13, 2020
the switches are nothing more than low voltage contactors. The circuit is either open or closed, there is no in between. open will 100% result in an error message on the display and prevent the fan from operating.

the fan not continuing to operate above 500° is not a faulty switch.

You have a P.I.D. problem.
 

Smokenjeeper

Newbie
15
12
Joined Oct 16, 2020
Have you had this issue the whole time or just with the recent update? Mines been acting up when it comes to going into higher temps. If I want to go from 375 to 600 it pretty much go to 500 and the fan will slow down then actually drop in temp from there. Only thing I can think of was it had an update not long ago.
This started with the update. I had only done low cooks till i noticed it on the past 2 high cooks. 1st time i thought it was just low fuel but that is not the case. The fan slows down and holds the temp at 500 when set over 500. Very annoying to say the least.
 

bill1

Master of the Pit
1,100
426
Joined Apr 25, 2015
People: Read the Fantastic Manual. In the very front pages under "Warnings and Important Safeguards" the section ends with these Safety Features:

Lid Switch – Prevents grill from overheating.
• If the set temperature is above 500°F (260°C) the controller will regulate the grill temperature to 500°F (260°C) when the grill lid is opened. Once the lid is closed the grill will return to the set temperature.
• If the set temperature is below 500°F (260°C) the controller will continue to regulate the grill at the set temperature when the grill lid is opened.
Hopper Switches – Reduces chimney effect when hopper is opened.
1. Hopper Lid Switch: The fan will stop when the hopper lid is opened. The fan will restart when the hopper lid is closed.
2. Hopper Ash Door Switch: The fan will stop when the hopper ash door is opened. The fan will restart when the hopper ash door is closed.


When these things happen, as described/promised, it's not an Error, it's been designed in. It's a feature (safety feature) not a bug. Don't expect the control system to call it an Error.
This thread has plenty of evidence that people are having switch trouble. They're probably not hermetic so smoke and creosote is building up in them. (My Wild Guess only.)

Now if your hopper lid and ash door are physically closed but your fans won't come on, you should expect the switches are stuck open. Twiddling with them 20 or 100 times may temporarily fix the issue but the real fix is to replace the switch. If your fans are kinda' working but your controller appears "stuck" at 450-500, then your Lid Switch is open. If your lid is physically closed, then the switch is bad and you can twiddle with it but you should replace it.

And yes, do this trouble-shooting for Masterbuilt, but insist they send you free replacement switches. Calling them "faulty interlocks" should get their attention.

Now a temporary "fix" is to jumper these interlock switches and thus disable what Masterbuilt clearly calls a Safety Feature. If you have parts on order, go ahead and take the chance; I'd do the same. But I wouldn't consider it a permanent solution.
 

Roman Buffalo

Fire Starter
63
103
Joined Apr 30, 2020
People: Read the Fantastic Manual. In the very front pages under "Warnings and Important Safeguards" the section ends with these Safety Features:

Lid Switch – Prevents grill from overheating.
• If the set temperature is above 500°F (260°C) the controller will regulate the grill temperature to 500°F (260°C) when the grill lid is opened. Once the lid is closed the grill will return to the set temperature.
• If the set temperature is below 500°F (260°C) the controller will continue to regulate the grill at the set temperature when the grill lid is opened.
Hopper Switches – Reduces chimney effect when hopper is opened.
1. Hopper Lid Switch: The fan will stop when the hopper lid is opened. The fan will restart when the hopper lid is closed.
2. Hopper Ash Door Switch: The fan will stop when the hopper ash door is opened. The fan will restart when the hopper ash door is closed.


When these things happen, as described/promised, it's not an Error, it's been designed in. It's a feature (safety feature) not a bug. Don't expect the control system to call it an Error.
This thread has plenty of evidence that people are having switch trouble. They're probably not hermetic so smoke and creosote is building up in them. (My Wild Guess only.)

Now if your hopper lid and ash door are physically closed but your fans won't come on, you should expect the switches are stuck open. Twiddling with them 20 or 100 times may temporarily fix the issue but the real fix is to replace the switch. If your fans are kinda' working but your controller appears "stuck" at 450-500, then your Lid Switch is open. If your lid is physically closed, then the switch is bad and you can twiddle with it but you should replace it.

And yes, do this trouble-shooting for Masterbuilt, but insist they send you free replacement switches. Calling them "faulty interlocks" should get their attention.

Now a temporary "fix" is to jumper these interlock switches and thus disable what Masterbuilt clearly calls a Safety Feature. If you have parts on order, go ahead and take the chance; I'd do the same. But I wouldn't consider it a permanent solution.

You mean the manual was not meant to be used as a fire starter? :emoji_laughing:

This is good info thanks. It’s just odd it’s happening after an update must be a coincidence
 

Chasdev

Smoking Fanatic
678
476
Joined Jan 18, 2020
I'm still trying to figure out how to grill steaks at max temps when the processor limits temps to 500 with the door open?
Or do I not get to watch my steaks sizzle when max temp is reached?
I'm paranoid about letting the meat off the leash so to speak, what if a grease fire breaks out and I can't see it due to the lid being closed?
 

jrberg56

Newbie
10
2
Joined May 9, 2021
i picked up some B&B and ran them with the new grate I ordered from masterbuilt on the 1050 over the weekend. Ran start up , 11 hours on a brisket, and shut down, still had a 1/4 of a hopper left.
Were these the briquettes, char logs or lump? Ace Hardware has all 3 aroundish here.
 

Smokin Okie

Smoking Fanatic
348
186
Joined Jun 27, 2018
I'm still trying to figure out how to grill steaks at max temps when the processor limits temps to 500 with the door open?
Or do I not get to watch my steaks sizzle when max temp is reached?
I'm paranoid about letting the meat off the leash so to speak, what if a grease fire breaks out and I can't see it due to the lid being closed?
I see my gravity feed as a smoker. I've tried grilling on it, and I prefer my Kettles for grilling, both the 22 and 26" Kettle. The grease fire concern on the MB is real.

BTW, this past weekend I smoked a slab of whole spares on the MB560 and at same time, a slab on my stick burner. I then taste tested ( it should've been a blind test ) and while I prefer the stick burner results, the MB was right there close.
 

912smoker

Smoking Fanatic
SMF Premier Member
955
547
Joined Nov 29, 2020
People: Read the Fantastic Manual. In the very front pages under "Warnings and Important Safeguards" the section ends with these Safety Features:

Lid Switch – Prevents grill from overheating.
• If the set temperature is above 500°F (260°C) the controller will regulate the grill temperature to 500°F (260°C) when the grill lid is opened. Once the lid is closed the grill will return to the set temperature.
• If the set temperature is below 500°F (260°C) the controller will continue to regulate the grill at the set temperature when the grill lid is opened.
Hopper Switches – Reduces chimney effect when hopper is opened.
1. Hopper Lid Switch: The fan will stop when the hopper lid is opened. The fan will restart when the hopper lid is closed.
2. Hopper Ash Door Switch: The fan will stop when the hopper ash door is opened. The fan will restart when the hopper ash door is closed.


When these things happen, as described/promised, it's not an Error, it's been designed in. It's a feature (safety feature) not a bug. Don't expect the control system to call it an Error.
This thread has plenty of evidence that people are having switch trouble. They're probably not hermetic so smoke and creosote is building up in them. (My Wild Guess only.)

Now if your hopper lid and ash door are physically closed but your fans won't come on, you should expect the switches are stuck open. Twiddling with them 20 or 100 times may temporarily fix the issue but the real fix is to replace the switch. If your fans are kinda' working but your controller appears "stuck" at 450-500, then your Lid Switch is open. If your lid is physically closed, then the switch is bad and you can twiddle with it but you should replace it.

And yes, do this trouble-shooting for Masterbuilt, but insist they send you free replacement switches. Calling them "faulty interlocks" should get their attention.

Now a temporary "fix" is to jumper these interlock switches and thus disable what Masterbuilt clearly calls a Safety Feature. If you have parts on order, go ahead and take the chance; I'd do the same. But I wouldn't consider it a permanent solution.
Exactly. I recommended fiddling with the switches as a temporary fix to help you get through the cook. I received a new Switch from Masterbuilt but have not put it in yet and not sure I will as long as I can easily remedy the problem. And using the contact cleaner between cooks has seemed to solve the problem.
 

912smoker

Smoking Fanatic
SMF Premier Member
955
547
Joined Nov 29, 2020
I'm still trying to figure out how to grill steaks at max temps when the processor limits temps to 500 with the door open?
Or do I not get to watch my steaks sizzle when max temp is reached?
I'm paranoid about letting the meat off the leash so to speak, what if a grease fire breaks out and I can't see it due to the lid being closed?
FWIW.... I smoke mine at 225 until they reach an IT of 100. Remove from the grill and crank the heat up to 650. Resist the temptation to put them on early as you lose some heat as you open the lid. Cook on one side for a minute and a half then rotate for hash marks and repeat other side. Only takes about 3 minutes per side to reach 130-135 IT or adjust to your liking
Kosmos Q has a great MBGF steak video too
 

BBQ Bird

Smoke Blower
SMF Premier Member
113
125
Joined Jan 14, 2021
FWIW.... I smoke mine at 225 until they reach an IT of 100. Remove from the grill and crank the heat up to 650. Resist the temptation to put them on early as you lose some heat as you open the lid. Cook on one side for a minute and a half then rotate for hash marks and repeat other side. Only takes about 3 minutes per side to reach 130-135 IT or adjust to your liking
Kosmos Q has a great MBGF steak video too
This is basically what I do also. At those high temps, the steak gets seared so quickly that the lid is only closed for a minute or two before you have to flip.

Also, to reduce grease fires, I clean the cook chamber beforehand anytime I'm going to go over 500 degrees. This makes a big difference. The only significant fire I've had was early on when I didn't clean between cooking a pork shoulder (without a drip pan) and reverse searing some steaks.
 

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