A.O. Smith T-H2-DV User Manual

T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
37
CONFIDENTIAL
10-18. Computer board
Unit Part # #701 Takagi Part # EKH4E Checkpoint N/A
Function
Controls the functions of most of the parts in the water heater.
Failure events
Malfunctioning computer
Effects on the water
heater if the computer
board fails
-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 display.
Error codes when the
computer board fails
701 711 721 741 761
Diagnostic
Visual inspection: connection/breakage of wires and/or burn marks on the
computer board.
Color/Number of wires N/A
5" (128.7mm)
13-1/4" (85.7mm)

A.O. Smith T-H2-DV Specifications

General

Brand	A.O. Smith
Model	T-H2-DV
Category	Water Heater
Language	English