MITECH MH310, User Manual

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alternately shows between and when charging. The more of the dark part indicates
the more close to full capacity.

When the battery is fully charged, the battery symbol on the display will glint .

Please use the configured AC-DC adapter to charge the battery pack.
5.14 Battery Replacement
When the battery pack fails to be charged, the user should replace the batteries following the program
below:

Power down the instrument.

Take off the battery compartment cover and take out the battery pack.

Insert the connection plug of the new battery pack into the socket on the circuit board.

Reset the battery cover.

Turn on the instrument to check.
Warning: Please pay much attention to the polarity of the battery during battery replacement.
5.15 Connecting to a Computer
Insert one connection plug of the transmission cable into the USB socket on the right side of main body,
and insert the another plug into the USB port on the back of computer box. Refer to the manual of the
DataPro software for detailed information.
5.16 Error Code Reference
Error Code Explanation Error Code Explanation
E00 Battery exhausted E05 Can not print
E01 Value out of range E06 Battery Charging
E02 Measurement not finished E07 No paper for printing
E03 Data already saved E08 Over Temperature
E04 No memory data E09
6 Maintenance & Servicing
6.1 Impact Device Maintenance

After the impact device has been used for 1000--2000 times, please use the nylon brush provided to
clean the guide tube and impact body. When cleaning the guide tube, unscrew the support ring first,
then take out the impact body, spiral the nylon brush in counter-clock direction into the bottom of
guide tube and take it out for 5 times, and then install the impact body and support ring again.

Release the impact body after use.

Any lubricant is absolutely prohibited inside the impact device.
6.2 Instrument Maintenance Program

When using standard Rockwell hardness block to testing, if all the error is bigger than 2 HRC, it may
be the invalidation of impacted ball top caused by abrasion. Changing the spherical test tip or
impact object should be considered.

When the hardness tester appears some other abnormal phenomena, please do not dismantle or
adjust any fixedly assembled parts. Fill in and present the warranty card to us. The warranty service
can be carried on.