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column of the chassis to be grounded.
3.The maximum current of the fuse is 5A and as the short circuit and overload
protection it is necessary to comply the provision.
4. Minus the number of A2, A3 witch is get from the situation as output is zero
to resist the environment interference.
5. After turning on the power, if without any display, Cut off the power.firstly,
check the insurance and then check the external input of three phases and
four wires. If still with no display, please contact us.
6. The warranty of the product is one year. Among the warranty period it is
free to repair the machine because of quality and technical problems and we
provide preferential services caused by careless handling.
Ⅶ
.MAINTENANCE
1. Verify the availability of the equipment
Observe the appearance of the instrument before use. After turning on
the power check the instrument display is showing completely or not. If the
instrument is not used for long time it is should also check whether the Binding
columns of output part are corroded or aging. Clear up before use timely.
Refer to "How to use" chapter when using it.
2. Equipment maintenance
After test, clear the wires connected among columns, then cut off the
power and disconnect the power plug , cover the chassis cover finally place
