86 Chapter 7 Maintenance
EV1000 Series General Purpose Variable Speed Drive User Manual
Chapter 7 Maintenance
Many factors such as ambient temperature, humidity, dust, vibration, internal component aging, wear
and tear will give rise to the occurrence of potential faults. Therefore, it is necessary to conduct routine
maintenance to the drives.
Note
:
As safety precautions, before carrying out check and maintenance of the drive, please ensure that :
The drive has been switched off;
The charging LED lamp in the drive is off, which can be seen after removing the cover.
7.1 Routine Maintenance
The drive must be operated in the environment specified in the Section 2.1. Besides, some unexpected
accidents may occur during operation. The user should perform the routine maintenance to ensure a
good operation environment according to the table below. A good way to prolong the lifetime of the drive
is to record the routine operation data, find out and clear faults in the early stage.
Table 7-1 Daily Checking Items
Object
Item
Method
Criterion
Temperature
humidity
Thermometer,
hygrometer
-10
℃~
+40
℃
. Derate if at 40
℃
~50
℃
Dust, water and leakage
observe
No sign of leakage
Vibration
Vibration meter
Less than 5.9m/s
2
(0.6g)
Environment
Gas
Smell
No strange smell
Heat
Touch the casing
Normal air flow
Sound
Listen
No strange sound
Output current
Clamp meter
Within rated range
Drive
Output voltage
Voltage meter
Within rated range
Heat Touch No
overheat
Motor
Sound
Listen
No strange sound
7.2 Periodic Maintenance
You should check the drive every 3 months or 6 months according to the actual environment.
Note
:
1. Only trained personnel can dismantle the drives for repairing or device replacement;
2. Don't leave metal parts like screws or pads in the drive, otherwise the equipment may be damaged.
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