Error Codes - State Water Heaters 310C Installation Manual And Owner's Manual

• The units have self-diagnostic functions for safety and convenience when troubleshooting.
• If there is a problem with the installation or the unit, the error code will be displayed on the
temperature controller and remote controller.
• Consult the table on the following pages for the description of each error code.
Error code indicator on
the built-in controller
Example: If your unit has the "321" error code (which signifies an inlet thermistor failure)
• Indicator on the built-in controller
and/or remote controller: "321" will be displayed
• Green LED on the computer board: The green LED on the computer board will indicate this code with
two flashes every 1/2 second. The pattern will repeat with a three second delay between patterns.
Error codes will be displayed differently with units installed within an Easy-Link System, not only to show
what the error code is, but to also indicate which unit within the system has the error code. Below is a
sample of how the error code of "321" is displayed in an Easy-Link System.
Example: If Unit #2 has the "321" error code (inlet thermistor failure)
• Indicator on the built-in controller
and/or remote controller of Parent unit:
"321" and "2" will intermittently flash on
the display.
• Unit #2:
"321" will intermittently flash on
the display. And the green LED on
the computer board will be blinking
two times, just like in the single
unit example.
• Unit #3 and #4:
These units will not display anything,
as the error code does not pertain to them.
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ERROR CODES

-General-
110C and 310C
models
Error code indicator on
the remote controller
-Single unit Installations-
on the screen in its entirety.
-Easy-Link System-
(For the 510C model only)
9009069005 (TM-RE42)
41
Page
510C model
Green LED
Error code on the computer board
It indicates the number of 0.5 seconds blinkings with three
seconds interval on the Green LED.
Error code
Error code
Unit #1
Unit #2
PARENT
CHILD
Owner's Guide
Troubleshooting
Green LED
Unit #
Unit #3
Unit #4
CHILD CHILD