Powtran PI8600 F Series, User Manual, Page: 142 / 166

140
第
十
章
Sect
io
n
V
III
Section VIII Inspection & Maintenance
8-1. Inspection and Maintenance
Under normal working conditions, in addition to daily inspection, the frequency converter
should be subject to regular inspection (for example inspection for overhaul or as specified but at an
interval of six months at most). Please refe r to the following table in order to prevent faults.
Check
time
Check point Check item Check to be done Method Criterion
D R
√
Display
LED and OLED
display
If there is any abnormal
display
Visual check
As per use
state
√ √ Cooling system
Fan
If abnormal noise or
vibration is produced. Visual and
audible check
No abnormal
sound or
vibration
√
Body
Surrounding
conditions
Temperature,humidity,
dust content, harmful gas,
etc. Check visually,
by smelling
and feeling
As per
Section 2-1
√
Input/ output
terminal
Voltage
If input, output voltage is
abnormal
Measure at R,
S, T and U, V,
W terminals
As per
standard
specifications
√
Main circuit Body
Input/ output
terminal Main
circuit
Overall
conditions
If the fastenings come
loose, if any signs show
overheat,discharging,or
too high dust content, or
the air piping is blocked Check visually,
tighten the
fastenings, and
clean the
related parts
No abnormal
condition
Surrounding
conditions
Temperature,humidity,d
ust content, harmful gas,
etc.
Check
visually, by
smelling and
feeling
As per
Section 2-1
Voltage
If input, output voltage
is abnormal
Measure at R,
S, T and U, V,
W terminals
As per
standard
specifications
Overall
conditions
If the fastenings come
loose, if any signs show
overheat,discharging, or
too high dust content, or
the air piping is blocked Check visually,
tighten the
fastenings, and
clean the
related parts
No abnormal
condition
“√” means need daily check or regularly check
For inspection, do not disassemble or shake the parts without reason, and still less pull off the
plug-in-parts at random. Otherwise, the unit will not operate normally, or can not enter the mode of
fault display, or causes faults of components or even parts of the main switch components IGBT