Maintenance - Veichi AC90 Manual

AC90 TENSION CONTROL FREQUENCY INVERTER MANUAL
Peripheral equipment
PCB
Cooling system
Keyboard
Motor
No operation under power connected state. Otherwise, there is danger of electric shock death. Before
operating, please cut all related equipments power, ensure that the main circuit DC current has droped
to safe range. And please operate after 5 mins.

6.3 Maintenance

All equipments and components have useful life. Right maintenance can prolong the lifetime. But it can not avoid
damage. Please change the components before their lifetime over.
Electrolytic capacitor
Fan
●
While changing fan, please use original fan. You can contact Veichi company or the dealer. There are inverter models
with many fans in one machine. To prolong these machines' lifetime, you had better to change all fans while changing
the cooling fan.
Fan change method:
●
Peripheral equipment outlook and
●
insulation checking.
Peculiar smell color change, bad rust
●
and connector checking.
Check whether the fan is damaged
●
or blocked up.
Whether rubbish and dust is sticked
●
to the heatsink.
Is air inlet/outlet blocked? Or is there
●
something sticking to the inlet/outlet.
Whether it is damaged. Check
●
whether display is complete.
Check if there is abnormal vibration
●
or noise.
Component
Fan
PCB
BASIC OPERATION AND TRIAL RUN
Clear and change damaged component.
●
Fasten connector.
●
Clear PCB.
●
Change damaged PCB.
●
Clean operation environment.
●
Change damaged component.
●
Change damaged component.
●
Tighten machine and electric connection
●
and lubricate the machine components.
Useful lifetime
2~3year
4~5 year
8~10 year
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