W T E C I I I E L E C T R O N I C C O N T R O L S T R O U B L E S H O O T I N G M A N U A L
3. Code 63 40
Inspect service brake status switch circuit.
4. Use the DDR to identify the two wires associated with the input functions for Pump/Pack Enable
and Automatic Neutral For Refuse Packer. Inspect the input wiring, connectors, and switches to
determine why the input states are different. Correct problems which are found. There is further in-
formation on these input functions on pages H25, H26, H29, and H30.
CODE 62 XX RETARDER TEMPERATURE SENSOR (Figure 521)