Panasonic VF200, Инструкция по эксплуатации

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10. Maintenance and Inspection
12
6
Loc
ati
on
Inspection
item
Inspection
details
Inspection
interval
Inspection
method
Judgment
criteria
Instrument
Transformer
Check if there is
burning smell.
✩
Just smell.
In normal
status
Terminal
block
Check if there is
sign of damage.
Check visually.
In normal
status
Transistors
and diodes
Check the
resistance
between
terminals.
◎
Disconnect the
main circuit wires
and measure at
the terminals.
Multimeter
Smoothing
capacitor
1) Check for
liquid leakage;
2) Check if the
safety valve is
working
correctly;
3) Measure
electrostatic
capacity.
✩
✩
1), 2): Check
visually;
3): Measure with
a capacitance
meter.
1), 2): In
normal
status.
3): Minimum
85% of
rated
capacity
Capacitance
meter
Relay
1) Check if the
operation sound
is normal;
2) Check the
contact
roughness.
1) Just smell;
2) Check visually.
1), 2): In
normal
status.
Mai
n
c
ir
c
ui
t
Resistor
1) Check if there
is cracking on
the insulation;
2) Check if open
circuit exists.
1), 2): Check
visually.
1), 2): In
normal status