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Repair instruction
Chapter 16
Fault tracing and repair
9. Check that the springs on the card rail have connection to the corresponding me-
tallic area on the circuit board when the new module is inserted.
10. Reassemble the terminal.
If the REx 5xx terminal has the optional increased measuring accuracy, a file with unique cali-
bration data for the transformer module is stored in the Main processing module. Therefore it is
not possible to change only one of these modules with maintained accuracy.
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