110 Indoor / 110 Outdoor Service Manual
Ver. 1.01
30
CONFIDENTIAL
10-14. Computer board
Unit Part #
#701
AOS Part #
319143-164
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 will display.
Error codes when the
computer board fails
70
72
74
Diagnostic
Visual inspection: connection/breakage of wires and/or burn marks on the
computer board.
Color/Number of wires
N/A
1 - 1 / 4 " ( 3 5 m m )
6
-
1
/
2
"
(
1
6
5
m
m
)
3 - 3 / 4 " ( 9 6 m m )
T
-
K
J
R
-
S
V
O
S
The computer board differs
from one in the 310 model.
