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3．Component Maintenance
Maintenance item
Storage battery
Spare storage battery
(if selected)
HMI
High voltage electric
display device
Cooling fan
Indicator
Switching power
supply
Power cell
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.
Duration
Recommand to change every 3 years for reliable operation. If
‐Every 3
the change and discharge frequently, the duration should be
years
shortened. Check Mantenance 4 for deital.
-MVD
storage
If the MVD does not turn on for a long period. The storage
time over
battery need to be charged every 3 month, 8 hours each time.
3 months
If spare storage battery is not used for a while, a routine
‐Every 3
maintenance of charge is necessary, for detailed information
months
please refer to Maintenance 5.
‐Depend
Brightness of HMI decays over time. The replacement
on actual
duration depend on users.
condition
‐Every 4
Recommand to change every 4 years for reliable operation.
years
‐Every 4
Recommand to change every 4 years. Check Mantenance 7
for deital.
years
‐Every 5
Recommand to change every 5years.
years
‐Every 10
Recommand to change every 10 years.
years
-MVD
If the MVD stored more than 2 years. The high voltage can not
storage
be apllied MVD directly. The input voltage should be raised
time over
gradually to wait until the capacitor be charged a period of
time. Check Mantenance 9 for deital.
3 years
Maintenance detail
113
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