Hello there. I've got a, problem with four of my m890g mastech multimeters.
All of them are showing 1.
No matter what I m measuring or testing.
Ohm or voltage or amps.
The fuse is healthy.
The probs are ok.
I dont know what to do?
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Hi,
This type is based on the 7106 IC. The 1 on the LCD means: A/D converter overflow... If the rotary switch is OK, replace the IC... If you have luck, there are holes for the 40pin DIP version. Just remove the old one... If there is no dip chip under the LCD, just a black glue dot, then remove it with a dremel....
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