11 Maintenance
Installation and Operation Manual for RPI M50A
102
11.7 Replacing string fuses
1. Loosen the six screws of the fuse section cover.
2. Remove the cover from fuse section.
3. Use a current transformer to nd the defective
fuse.
4. Pull out the defective fuse.
5. Put in the new string fuse.
6. Put the fuse section cover tightly on the inverter
housing. Take care that the cover is correctly
positioned and seals the fuse section to ensure
protection degree IP65.
7. Fasten the six screws to the fuse section cover.
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