Computer Board - A.O. Smith 110 Indoor Service Manual

10-14. 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
The computer board differs
from one in the 310 model.
#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.
70
Visual inspection: connection/breakage of wires and/or burn marks on the
computer board.
110 Indoor / 110 Outdoor Service Manual
319143-164
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N/A
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CONFIDENTIAL
Ver. 1.01
Checkpoint N/A
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