60
Exchange thyristors size H8
3ADW000488R0101 DCS880 Service manual e a
Find faulty thyristor modules
1. Check the branch fuses by performing an OHM test.
2. Find the defective branches by performing an OHM test (both polarities) between U1, V1, W1 and C1, D1.
Bridge configuration H5 … H8
3. Remove the AC busbars, of the defective branches.
To Next Page
Loading...
