Wuhan Huatian Electric Power Automation HTDT-10A, Manual

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AC power supply, turn on power switch, the instrument enter into
the starting up state. Press "test" key to begin test, the middle of the
display screen shown measured resistance is the on-resistance
values, its unit is mΩ.
Please refer to the following table to check the test result is
normal or not.
on-resistance 150mΩ 500mΩ 1Ω
Status Good Abnormal Severely abnormal
6
、
Completed measurement, please disconnect the power
switch and put the test lines into accessories bag.
VIII. Problems and Solutions
Problems Solutions
No respond after powering
on; on the LCD no display
Check if AC power is on
Check the power cables
Check if the Fuse is Blown out.
Under test resistance value is
evidently larger or 1 ( beyond
range)
Check if measured resistance value is
too large
Check if voltage input lines places on the
inner side of current output lines.
Check if voltage output lines have poor
contact or the port connected to the test
object is oxidized.