IKONIC Tankless Water Heater Service Manual
44
A011 ERROR CODE
Flame Not Detected From Flame Rod.
Flame rod (Flame is visible)
If the spark is visible through the sight
glass, refer to the flow chart on the left
to check flame rod.
Gas air ratio valve
If the spark is not visible through the
sight glass, refer to the steps to check
gas air ratio valve.
To check gas air ratio valve, please re-
fer to “A010" Error code Gas SV mal-
function”.
Gas air ratio valve
If the spark is not visible through the
sight glass, refer to the steps to check
solenoid valve.
To check solenoid valve, please refer
to “A014 Error code SV malfunction”.
ERROR CODE DIAGNOSTICS
Turn Power OFF
Remove connector "H" and terminal on
flame rod, and reinsert them.
Remove & reinsert connector "C".
Operate unit again.
If A011-Error code appears
Check gas-air ratio valve and
solenoid valve.
Flame rod needed to be cleaned
and is OK.
Turn gas ON and check for normal.
Remove and clean flame rod.
Reassemble it, and operate unit.
Flame rod test is OK.
Replace control board.
Is the flame
touching the flame
rod?
Is error code
"A011" ap-
peared?
Yes
No
No
Yes
2.2 ERROR CODE LIST
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