Takagi T-H3M-DV - ERROR CODES; General

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Error code
Green LED
Errorcodeindicatoronthetemperature
controlleraachedtoasurfaceofthe140
Indoor(T-H3M-DV)modelandtheremote
controller9008172005(TM-RE40).
ERROR CODES
-General-
• The water heater has self-diagnostics for safety and convenience when troubleshooting.
• If there is a problem with the water heater itself, or the installation of the unit, the error code will be
displayed on the temperature controller and remote controller.
• Consult with the table on the following pages for the description of each error code.
Example:Ifyourunithasthe“321”errorcode(whichsignifiesaninletthermistorfailure)
• Indicatoronthecontroller:“321” will be displayed on the screen in its entirety.
• GreenLEDonthecomputerboard: The green LED on the computer board will be
blinking two times.
Troubleshoong
Owner's Guide