10
IV. Failure analysis and troubleshooting
Failure
phenomena
Cause analysis
Elimination
method
remarks
Boot without any
display
1) power is not
connected
turn on electricity
Replacement of
the insured shall
be replaced with
the same type of
insurance pipe
can not be
replaced by
other models
2) the instrument 2A
insurance pipe is not
installed or
Circuit breaker
Re install the
insurance tube or
replace the
insurance tube
No current output
1)to open inspection
equipment
Inspection
equipment
Trouble shooting
2) test circuit has
open circuit fault
Check
the
test
circuit and remove
the
open
circuit
fault.
V. Matters needing attention
The instrument must be grounded reliably in the
5.1 test.
5.2 when the instrument begins to measure do not touch the
test fixture, so as to avoid the electric potential.
5.3 end of the test, waiting for full discharge after the
