A.O. Smith 240 T-H3J Service Manual page 55

Error Code
701
operation.
711
Valve(VG
(Refer to section 10-4 & 10-18)
burn marks on the computer board.
Error Code
721
Error Code
Miscommunication between water heater and
temperature remote controller
741
Normal: 11 to 25 VDC between (white-black)
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Malfunction description
)
0
Diagnosis
Malfunction description
Diagnosis
Malfunction description
Diagnosis
55
Page
CONFIDENTIAL
Cancellation method
(701 error code)
(711 error code)
Check point
Cancellation method
Check point
Cancellation method
Restoring proper cable connections
between the water heater and
the Remote controller. When the
computer detects proper connections
between the water heater and the
remote controller, "741" error code
will cease to display.
Check point
Ver. 1.00
H1
F