VG-640 dryer not heating.

Warranties, repairs and maintenance
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AlexC
Silver Member
Posts: 139
Joined: Wed May 15, 2013 6:37 pm

VG-640 dryer not heating.

Post by AlexC » Wed Sep 27, 2017 6:31 am

Hi guys, VG-640 printer the dryer unit is not heating up.
In heater config : Dryer set to 40 deg
When print is launch heater lead blinks and pause button is ON.
Dryer thermistor checked good.
There no voltage on dryer heater element. Check connections on servo board everything seems to be ok.
is there a relay or swiching condition missing ?
What did i miss? ?

Yours,

Alex .

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mrtn
Gold Member
Posts: 2297
Joined: Tue Feb 14, 2012 4:37 pm
Location: Tallinn, Estonia

Re: VG-640 dryer not heating.

Post by mrtn » Wed Sep 27, 2017 7:02 am

There’s a regular fuse for the dryer. Check that one.
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AlexC
Silver Member
Posts: 139
Joined: Wed May 15, 2013 6:37 pm

Re: VG-640 dryer not heating.

Post by AlexC » Wed Sep 27, 2017 7:45 am

I've been checking 5 fuses on the server board, little white fuses.
Do you have an idea where the fuse for dryer is situated?

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