Computer Board - A.O. Smith 510 Outdoor Service Manual

10-15. Computer board

Unit Part #
Function
Failure events
Effects on the water
heater if the computer
board fails
Error codes when the
computer board fails
Diagnostic
Color/Number of wires
#701 AOS Part #
Controls the functions of most of the parts in the water heater.
Malfunctioning computer
-A component(s) may not operate within the water heater. In most cases
of computer board failure, the whole the water heater does not operate at
all.
-Error codes will display.
701
Visual inspection: connection/breakage of wires and/or burn marks on the
computer board.
510 Indoor / 510 Outdoor Service Manual
319143-179
721
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31
CONFIDENTIAL
Ver. 1.00
Checkpoint
741 761
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