Signal Too High/Signal Missing. Intermittent Fault

Signal too high/signal missing. Intermittent fault

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 Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , contact resistance and oxidation as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and a loose connection as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults

Additional information:
- To replace relay, see Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing.










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