IKONIC Tankless Water Heater Service Manual
39
ERROR A011
Air Filter
Check with the air lter at the inlet air
connection of the water heater that
airflow is not blocked. If the air lter is
blocked, clean the air lter and remove
debris and or blockages.
Venting
Check the condition of venting (Ex The
connections of vents, the vent terminal).
If the connection of venting is removed
or the terminal vent top is blocked, re-
connect the vents or clean the vent
(Both inlet side and exhaust side)
Refer to section “Venting for direct vent
water heater” in this manual and refer
to U&C manual for installation instruc-
tions.
Igniter rod (Spark is not visible)
If the spark is not visible through the
sight glass, refer to the following steps
to check igniter rod and coil.
ERROR CODE DIAGNOSTICS
Turn Power OFF
Remove & reinsert white molex connector on
left of Igniter coil & black insulated igniter
cable on igniter rod. And remove and reinsert
connector "C"
Turn power ON and operate unit.
Unit has a loose connection.
Igniter is OK.
Replace the control board
Replace igniter coil and Igniter rod
While attempting to ignite,
Measure AC volts across two gray wires on
connector "C"
Turn power OFF.
Remove and clean igniter rod.
And then, reassemble it and operate unit.
Igniter rod needed to be cleaned.
If error code "A011" appears, check the flame
rod.
Is the spark visible
through the sight
glass?
Is the AC voltage
108-132 AC volts?
Is the spark vis-
ible through sight
glass?
No
No
No
Yes
Yes
Yes