5-4
■ Unable to communicate with the communicator
1. Is the electrical wiring correct?
2. Is the connection between the communicator and the main unit correct?
3. Is power being supplied to both the input and output sides?
4. Does the relationship between the power supply voltage and the external load satisfy
the specifications?
5. Has wiring been carried out correctly for the respective models for which the travel
transmission function is not included (models AVP300/302 and AVP200/202)
and for which the travel transmission function is included (models AVP301 and
AVP201)?
6. If the travel transmission function is included, is power being supplied to the travel
transmission loop correctly, and has resistance in the loop been set up correctly?
■ Adjustment procedure when hunting occurs
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