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66 Maintenance
Maintenance task/object
CIO-module for fan control (115 VAC)
Batteries
Control panel battery
Control unit battery
Control unit
BCU control unit
Connections and environment
Quality of supply voltage
Spare parts
Spare parts
DC circuit capacitor reforming (spare mod-
ules and spare capacitors)
Inspections
Checking tightness of cable and busbar
terminals. Tightening if needed.
Checking ambient conditions (dustiness,
corrosion, temperature)
Checking coolant pipe connections
1) To replace the CIO-module or reset the fan counters, see CIO-01 I/O module for distributed I/O bus control user's manual
(3AXD50000126880 [English]).
Symbols
I
Inspection (visual inspection and maintenance action if needed)
P
Performance of on/off-site work (commissioning, tests, measurements or other work)
R
Replacement
Note:
• Maintenance and component replacement intervals are based on the assumption that
the equipment is operated within the specified ratings and ambient conditions. ABB
recommends annual drive inspections to ensure the highest reliability and optimum
performance.
• Long term operation near the specified maximum ratings or ambient conditions may
require shorter maintenance intervals for certain components. Consult your local ABB
Service representative for additional maintenance recommendations.
Years from start-up
0
1
2
3
1)
P
P
P
I
I
I
P
P
P
I
I
I
I
I
I
I
I
I
4
5
6
7
8
9
I/R
R
R
P
P
P
P
P
P
I
I
I
I
I
I
P
P
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
3AXD10000578918 K
10
11
12
...
R
R
R
P
P
P
P
I
I
I
I
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
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