声誉积分: 938
15
10
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声誉积分: 39
4
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The reading screen is either broken or malfunctioning. You may need to replace the screen. See screen replacement guide here. If this does not seem to fix the problem, you may have an issue with the motherboard. Click here to see how to replace the motherboard.
指南
难度：
简单
—
5 - 15 minutes
指南
难度：
简单
—
10 - 15 minutes
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声誉积分: 13
3
I'm all for fixing stuff and keeping it working, but Harbor Freight literally gives these meters away. They're not worth fixing. i have a stack of spare ones still in the package waiting to be used.
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