6 Crucial Security Mods to Improve the Anet A8

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6 Crucial Security Mods to Improve the Anet A8

In the previous few months alone, the funds pleasant Anet A8 has been liable for greater than half a dozen fires and counting. The “It gained’t occur to me” mentality is all too widespread and practically as harmful because the 3D printer itself. Usually hailed as the proper newbie machine, many critiques fail to level out the electrical issues and security mods vital to repair them.

On the brilliant facet, the group behind the Anet A8 is totally huge. There is no such thing as a scarcity of printable upgrades and aftermarket merchandise, plus a wealth of studying assets can be found on-line, making it a superb basis to construct upon over time. There are nonetheless some essential security mods that needs to be on the very prime of each house owners to-do checklist.

Associated: The Anet A8 3D Printer Review

Beginning with essentially the most quick considerations, we are going to take a look at the rationale(s) every mod is required and particulars that will help you get began. There’s usually a couple of approach to repair these issues, however we are going to clarify the most typical options. In case you have any questions, be happy to go away a message within the feedback under.


The MOSFET Board is likely one of the most essential security mods for the Anet A8. When the heated mattress warms up, it attracts a considerable amount of present by a small connector on the board. Since this connector isn’t rated for the facility it pulls, it’ll inevitably soften the terminal and when it does, there’s a respectable probability it might probably begin a fireplace.

One possibility is to improve it utilizing a beefy XT60 connector as a substitute, however this additionally means now we have to solder the board. As a greater various, a MOSFET Board is affordable, simple to put in and gained’t require any particular instruments. As soon as we’re completed, the facility for the heated mattress will come instantly from the facility provide and bypass the connector virtually totally.

How to Connect your Heated Bed to a MOSFET Board

Be aware: Do NOT set up a second MOSFET for the hotend. Whereas this has turn out to be a standard follow, it’s pointless and creates a further level of failure. The hotend doesn’t draw sufficient present to warrant the necessity for one more exterior MOSFET board.

Thermal Runaway Safety

Thermal Runaway Safety is a typical security characteristic that forestalls a 3D Printer from overheating and beginning a fireplace. It’s disabled on the Anet A8.

If the thermistor had been to fall out of the hotend, temperature readings would report decrease than what is predicted. The 3D Printer would then crank up the warmth to compensate and in doing so, finally soften the heater cartridge. Thermal Runaway Safety is designed to detect such occasions, shutting down the machine if it doesn’t appropriate inside a sure period of time.

It’s simple to repair, takes lower than 10 minutes and doesn’t value a cent. There is no such thing as a excuse for the corporate to neglect this characteristic, but they proceed to ship the machines with out it. Take a couple of minutes and watch this three minute video (instructions start at 0:47) which covers the best way to set up the newest Marlin firmware with Thermal Runaway Safety enabled.