IKONIC Tankless Water Heater Service Manual
52
2.2 ERROR CODE LIST
A070 ERROR CODE
Microcomputer Abnormality.
If the microcomputer on the control board is not work-
ing properly, the water heater displays the “A070” error
code on the User Interface.
Diagnostic check items
• Control board
ERROR CODE DIAGNOSTICS
Turn Power OFF
Turn power ON and operate unit.
If "A070" error code is appeared, please
replace the control board.
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