Chapter 8 Routine Repair And Maintenance; Routine Maintenance - V&T E5-H Series User Manual

The application environment (such as temperature, humidity, dust and powder, wool, smoke and
oscillation), burning and wearing of internal devices and other factors may increase the possibilities of
inverter failure. To reduce the failures and prolong the service life the inverter, it is necessary to conduct
routine repair and periodic maintenance.
Note Note
1. Only the personnel receiving professional training can dismantle and replace the inverter components.
2. Prior to inspection and maintenance, please make sure that the power supply to the inverter has been
disconnected for at least ten minutes or the CHARGER indictor is OFF, or there may be risks of electric
shock (the inverter with power level of E5−H−4T11G or above has CHARGER indicator).
3. Do not leave metal components and parts in the inverter, or it may damage the inverter.

8.1 Routine Maintenance

The inverter shall be used under the allowable conditions as recommended in this manual and its routine
maintenance shall be conducted as per the table below.
Item
Operating
Environment
Inverter
Motor
112
E5−H High Performance Universal Inverter

Chapter 8 Routine Repair and Maintenance

Inspection Contents
Temperature
Humidity
Dust, oil, water and drop Visual check
Vibration
Gas
Overheat
Noise
Gas
Physical appearance
Heatsink fan ventilation
Input current
Input voltage
Output current
Output voltage
Overheat
Noise
Vibration
Chapter 8 Routine Repair and Maintenance
Inspection Means
Thermometer
Humidiometer
Special test instrument
Special test instrument,
smell check and visual
check
Special test instrument
Listen
Smell and visual check
Visual check
Visual check
Amperemeter
Voltmeter
Amperemeter
Voltmeter
Special test instrument
and smell.
Listen
Special test instrument
User Manual
Criteria
−10 ~ +40ºC
Derated at 40 to 50ºC, and the rated
output current shall be decreased by
1% for every temperature rise of 1ºC.
5 ~ 95%, no condensing
There are no dust, oil, water and
drop.
2
3.5m/s , 2~ 9Hz;
2
10m/s ,9~ 200Hz; 15m/s
500Hz
There are no abnormal smell and
smoke.
Exhaust normal
There is no abnormal noise.
There are no abnormal smell and
smoke.
The physical appearance is kept
intact.
There are no fouling and wool that
block the air duct.
In the allowable operating range.
Refer to the nameplate.
In the allowable operating range.
Refer to the nameplate.
In the rated value range. It can be
overloaded for a short while.
In the rated value range.
There are no overheat fault and
burning smell.
There is no abnormal noise.
There is no abnormal oscillation.
2
,200~