Rheem IKONIC RTGH-S11i Training And Service Manual page 60

IKONIC Tankless Water Heater Service Manual
ERROR CODE DIAGNOSTICS
2.2 ERROR CODE LIST
A029 ERROR CODE
Condensate blockage
This water heater has a built in condensate trap. If the
electrode on this condensate trap detects the water
level is full or cannot detect the water level in this con-
densate trap the water heater displays the " A029 " er-
ror code on the User Interface.
Turn Power OFF
Remove the drain plug of condensate trap
located bottom of the water heater, and
drain the water in the condensate trap.
Drain some water and reset the drain plug.
And then, turn power ON and operate the
unit.
Is "A029" error
code appeared?
Yes
Remove and reinsert connector "I" con-
nected the control board.
And then, turn power ON and operate
the unit.
Is "A029" error
code returned?
Yes
Replace control board.
(Only on re-
circulation
models)
Remove the drain line connected to the
No
condensate plug of condensate trap located
at bottom of the water heater, and turn on
the unit.
No
Unit has a loose connection.
Unit appeared to be operating OK.
Water
Filters
Condensate Drain
60
Diagnostic check items
• External condensate trap.
• Drain line from unit condensate trap.
The drain line of the condensate trap has a
The drain line connected condensate trap
Please recheck the drain line to remove the
blockage.
Replace condensate trap.
No
Is the water
drained from the
condensate plug?
Yes
has a blockage.
blockage.
Condensate Drain