[2] Check component M4/3 (engine/AC electric suction fan).: Positioner signals fault Y.

[2] Check component M4/3 (engine/AC electric suction fan).: Positioner signals fault Y.

Test 1: Check component M4/3 (engine/AC electric suction fan).

1. Check component M4/3 (engine/AC electric suction fan).
Possible cause and remedy

- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose contact and corrosion..
- Replace component M4/3 (engine/AC electric suction fan).
End of test