A.O. Smith T-H3S-DV Installation Manual And Owner's Manual page 51

PROBLEM
Unit does not ignite • Is the flow rate over 0.5 GPM (1.9 L/min)? (p. 44)
when water goes • Check for the filter on cold water inlet. (p. 49)
through the unit. • Check for reverse connection and cross connection.
• If you use the remote controller and/or temperature controller, is
• Check if the inlet temperature is too high.
The fan motor is • This is normal. After operation has stopped, the fan motor keeps
still spinning after
operation has stopped.
Unit sounds abnormal • Contact the manufacturer at 1-877-737-2840.
while in operation
Controller does not • Make sure the unit is supplied with power.
display anything when • Make sure the connection to the unit is correct. (p. 32)
the power button is
turned on. NOTICE:
When the unit has not operated for five minutes or more, the display
of the controllers turns off to conserve energy.
Although the controller of the parent unit will display the set
temperature at the Easy-Link System, the controller of the child unit
will not display the set temperature.
An ERROR code is • Please see p. 52 to 54.
displayed.
How are the unit • For an Easy-Link System, the Parent unit is always labeled #1 and all
numbers assigned?
• To check which numbers are assigned to which Child units, push the
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SOLUTIONS
the power button turned on?
running from 15 to 70 seconds in order to re-ignite quickly, as well
as purge all the exhaust gas out of the flue.
Temperature controller
other subsequent Child units are numbered randomly.
button on the computer board of any Child unit as shown below.
The unit number will be displayed on the temperature controller
of the Child unit and/or the remote controller of the Child unit, if
installed. (Refer to p. 33 to 36.)
51
Page
Owner's Guide
Troubleshooting
When the remote
controller turned
ON, STAND BY LED
is lit.
Button to check unit numbers