EasyManuals Logo

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

A.O. Smith T-H2-DV
99 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #62 background imageLoading...
Page #62 background image
T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
62
CONFIDENTIAL
12-2. Verifying functionality of computer board, Displaying error code history,
and Clearing error code history memory
A. Check if the computer board works properly
Check the 100 VAC power supply on the computer board. Refer to part Aon p. 11. Check the
voltage at A. (Black-White)
If no voltage is detected going into the computer board, the fuse box or transformer might have
malfunctioned or been damaged.
If 100 VAC is measured going into the computer board and the water heater does not work, the
computer board or flow sensor might have malfunctioned or been damaged.
NOTE: When the flow sensor detects flow higher than 0.5 GPM, a single LED tick mark on the left side of
the 3-digit 7-Seg. LED will blink to indicate that the unit is working.
Example: tick mark next to the 110°F set temperature display

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the A.O. Smith T-H2-DV and is the answer not in the manual?

A.O. Smith T-H2-DV Specifications

General IconGeneral
BrandA.O. Smith
ModelT-H2-DV
CategoryWater Heater
LanguageEnglish

Related product manuals