7 bypass fuse exchange – Sanyo SANUPS E11A102A User Manual

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11.7 Bypass Fuse Exchange

CAUTION

Always power the UPS off before exchanging the fuse. Failure to do so can

cause electric shock.

Be careful to avoid injury or

electric shock

.

If the bypass fuse blows, the red ALARM indicator lights and output from the output
terminals stops.
Proceed as follows to exchange the fuse for a new fuse, using the supplied bypass fuse.

Stop the inverter by pressing

and holding it for 1 second, and then set

MAIN SW to “OFF”.

Remove the fuse on the back panel of the UPS by pushing it in with a minus screwdriver

and turning it in the counterclockwise direction.

Insert the new fuse, and return it to the original location by turning it in the clockwise

direction.

Set MAIN SW to “ON”, and then start the UPS by pressing

and holding it for

1 second.
For details about UPS startup, see §9.1 “UPS Startup (Normal Operation)”.

UPS back panel




Note

If you exchange the bypass fuse while the UPS is powered on, the red ALARM indicator will
remain lit until you power the UPS off. Always power the UPS off before exchanging the

fuse.

Discard the old fuse as non-combustible industrial waste after exchanging it.

EXT.
BATT

MAIN SW

Bypass fuse

This completes the fuse exchange.

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