FBD FBD553D - ILLUSTRATIONS, PART LISTINGS, AND DIAGRAMS; MOUNTING DIAGRAM

(Section 14.36 continued from previous page.)
G. Upper Board Problem. G. Circuits within Main Control (Upper)
Board electronics read transducer
pressures. Replace Main Control
(Upper) Board, if necessary
14.37 RtnTempErr A. Temperature Sensor error A. 1. Check for short in sensor and
or failure. cable. LED on Main Control
board goes bright if short
occurs, goes out if open circuit
and stays dim if working
properly.
2. Check for poor connection in
sensor plug.
3. Replace temperature sensor.
14.38 InletTempErr A. Temperature Sensor error A. 1. Check for short in sensor and
or failure. cable. LED on Main Control
board goes bright if short
occurs, goes out if open circuit
and stays dim if working
properly.
2. Check for poor connection in
sensor plug.
3. Replace temperature sensor.
NOTES
TROUBLE CAUSE REMEDY
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