Maintenance and fault finding
102 Block Up Converter Systems 6700/6900 series User Guide
Replacing fuses in the redundancy controller
To replace a blown fuse:
1 Switch off the redundancy controller at the AC mains.
1 Disconnect all the cables from the redundancy controller
except for the power cables.
1 Replace the blown fuse on the control panel of the
redundancy controller.
1 Switch on the AC mains supply to the redundancy
controller.
1 If the fuse blows again, the redundancy controller is
faulty. Contact your Codan representative for assistance.
1 If the fuse does not blow, reconnect all cables one by
one.
If the fuse blows, the last unit connected, or its cable, is
faulty.
If the fuse does not blow after reconnecting all cables,
the original fuse may have blown because of a temporary
power supply surge.
1 If a problem persists, contact your Codan representative
for assistance.
WARNING
Make sure that the AC mains power is switched
off before replacing fuses or disconnecting
power cables.
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