TECO E510s Series - 5.4 Routine and periodic inspection

5-23
5.4 Routine and periodic inspection
To ensure stable and safe operation, check and maintain the inverter at regular intervals.
Use the checklist below to carry out inspection.
Disconnect power after approximately 5 minutes to make sure no voltage is present on the
output terminals before any inspection or maintenance.
Items Details
Checking
period
Methods Criteria Remedies
Daily 1Year
Environment & Ground connection
Ambient
conditions at the
installation
Confirm the
temperature and
humidity at the
machine
◎
Measure with
thermometer
and
hygrometer
Temperature:
-10~40oC
(14-120℉)
Humidity：
Below 95%RH
Improve the
ambient or
relocate the
drive to a
better area.
Are there
inflammable
materials in the
vicinity?
◎ Visual check Keep area clear
Installation
Grounding
Any unusual
vibration from the
machine
◎
Visual,
hearing check
Keep area clear Secure screws
Is the grounding
resistance correct?
◎
Measure the
resistance
with a
multi-tester
200Vclass：
below 100Ω
Improve the
grounding if
needed.
Terminals & Wiring
Connection
terminals
Any loose parts or
terminals?
◎
Visual check
Check with a
screwdriver
Correct
installation
requirement
Secure
terminals and
remove rust
Any damage to the
base ?
◎
Any corroded
Terminals?
◎
Wiring
Any broken wires? ◎
Visual check
Correct wiring
requirement
Rectify as
necessary
Any damage to the
wire insulation?
◎
Voltage
Input power
voltage
Is the voltage of the
main circuit
correct?
◎
Measure the
voltage with a
multi-tester
Voltage must
conform with
the spec.
Improve input
voltage if
necessary.
Circuit boards and components
Printed circuit
board
Any contamination
or damage to
printed circuit
board?
◎
Visual check
Correct
component
condition
Clean or
replace the
circuit board
Discolored,
overheated, or
burned parts
◎
Capacitor
Any unusual odor
or leakage
◎
Replace
capacitor or
inverter
Any physical
damage or
◎