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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 7-Seg LED on the
center computer board and remote controller (if it is installed.)
Consult the table on the following pages for the description of each error code.
7-Seg LED on the center computer board:
A three digit error code will be displayed on the 7-Seg LED one number at a time.
Remote controller:
A three digit error code will be displayed on the screen.
When the right and/or left combustion section has an error code, the red LED next to the 7-Seg LED
on the center computer board will flash to indicate which combustion section has the error code.
Refer to the graphics above.
Example: If your unit has the "321" error code (which signifies an inlet thermistor failure):
The 7-Seg LED on the PARENT unit displays a 5-digit number to signify which unit in the Easy-Link system has the
error, and what the error code is. The 7-Seg LED displays the number one digit at a time. The remote controller
100112155 (TM-RE30) (if installed) displays a 3-digit number which also signifies which unit has the error, and what
the error code is. The unit that has the error in an Easy-Link system will display the error code on its 7-Seg LED in
exactly the same way as if it were only a Single Unit. When the right and/or left combustion section has an error
code, the red lamp next to the 7-Seg LED on the center computer board will flash to indicate which combustion
section has the error code. Refer to the diagram below.
Example: If Unit #2 has the "321" error code (inlet thermistor)
The 7-Seg LED on the PARENT unit will display "3"..."2" "1" "0" "2", displaying only one digit at a time. The first
3 numbers indicate the error code. The last two numbers indicate that Unit #2 has the error.
The remote controller, however, will display
"232" on its screen. The first "2" indicates
that Unit #2 has the error. The "32" indicates
the first two digits of the "321" error code.
The 7-Seg LED on Unit #2 will display "3". "2".
"1", just like in the Single Unit example.
-General-
Upper bank of DIP
switches
First red lamp:
an error code.
Second red lamp:
an error code.
Lower bank of DIP
switches
-Error code display-
7-Seg LED
-Easy-Link System-
43
Page
Remote controller (Optional)
100112155(TM-RE30)
Remote
I
N
L/ M G / M
O U T
FLOW
Controller
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