4. Maintenance
4.2 Hot-swapping the power module
This operation can be performed without interrupting the load.
Disconnecting the power module
OFF
18
Tower configuration
Rack configuration
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15
XXX FAULT
1CXXXXXXX
ON
12
Stop the UPS with the OFF button
z
seconds).
Check if UPS is on bypass AC source:
z
led
is on (If led
is not on, do not turn the manual bypass
15
15
and call the after sales support department).
Turn the manual bypass switch
z
Switch the battery circuit breaker(s)
z
z
Switch the Normal AC source circuit-breaker
position and wait 30 seconds.
Remove the three fixing screws to free the junction Input/
z
Output box.
Disconnect the battery cables
z
module.
The power module can be replaced.
The connected equipment is powered by the Bypass AC
source.
29
28
7
9
(press more than 3
18
to the BYPASS position.
7
to the "0" position.
12
to the "0"
9
and
from the power
28
29