Checking the relay
Check that relay 2/63 is installed correctly.
At the same time check the relay connections, in particular 2/63 2, for an intermittent short circuit to voltage supply as described in Short-circuit to supply voltage, intermittent faults , contact resistance and oxidation as described in Contact resistance and oxidation and a loose connection as described in Loose connections (terminals)
Additional information:
- To replace relay, see Central electronic module (CEM), replacing .