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3
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Component Maintenance
Maintenance item
Duration
Maintenance detail
Storage battery
‐
Every 3
years
Recommand to change every 3 years for reliable operation. If
the change and discharge frequently, the duration should be
shortened. Check Mantenance 4 for deital.
-MVD
storage
time over
3 months
If the MVD does not turn on for a long period. The storage
battery need to be charged every 3 month, 8 hours each time.
Spare storage battery
(if selected)
‐
Every 3
months
If spare storage battery is not used for a while, a routine
maintenance of charge is necessary, for detailed information
please refer to Maintenance 5.
HMI
‐
Depend
on actual
condition
Brightness of HMI decays over time. The replacement
duration depend on users.
High voltage electric
display device
‐
Every 4
years
Recommand to change every 4 years for reliable operation.
Cooling fan
‐
Every 4
years
Recommand to change every 4 years. Check Mantenance 7
for deital.
Indicator
‐
Every 5
years
Recommand to change every 5years.
Switching power
supply
‐
Every 10
years
Recommand to change every 10 years.
Power cell
-MVD
storage
time over
3 years
If the MVD stored more than 2 years. The high voltage can not
be apllied MVD directly. The input voltage should be raised
gradually to wait until the capacitor be charged a period of
time. Check Mantenance 9 for deital.
Maintenance Guidline shows as following:
1. Replace the air filter
Replace the air filter of transformer cabinet and power cell cabinet:
Rotate and loosen screws
①
to open the ventilation opening frame
②
;
Disassemble the air filter
③
to be replaced and plug in a new filter;
Close the ventilation opening frame and tighten screws;
Record the replacement date.
Summary of Contents for MVF2000 Series
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