Is there any body knows this UT81b muti scope?

[Hamid reza]

It encontered with this error .(detect test mode)
And locked on it .

 

[Adegbite Joshua]

The same problem with mine also, any solution yet?

 

[Hamid reza]

The same problem with mine also, any solution yet?

I email to its company they said one ic is damaged and it is expensive to change it.
I didnt do anything.thanks