IKONIC Tankless Water Heater Service Manual
43
ERROR A014
EXPLANATION
Over Heat Limiter (OHL) activated.
This tankless water heater has an Over Heat Limiter
(OHL) and an Over Heat Limit Fuse (OHLF).
If the OHL or OHLF has been activated, the water heater
displays the “A014” error code on the User Interface.
This is normally cause by inadequate/wrong GAS SUP-
PLY and/or VENTING.
Diagnostic Check
• Over Heat Limiter (OHL)
• Over Heat Limit fuse (OHLF)
WARNING: When cleaning or replacing the flame
rod/igniter rod, you must replace the gasket with the
Rheem approved gasket (a spare gasket is provided
with the unit). Improper sealing of the flame rod/igniter
rod due to a damaged or missing gasket can cause
unsafe operation or damage the OHL.
ERROR CODE DIAGNOSTICS
Turn Power OFF
Remove & reinsert connector "I", and turn
power ON.
Unit has a loose connection.
OHL and OHLF appear to be OK.
Unit has a loose connection.
OHL and OHLF appear to be OK.
Replace the unit.
Turn Power OFF.
Remove & reinsert blue molex connector for
the OHL and OHLF, and then turn power ON.
Disconnect Molex.
Check resistance on connector for the OHL
and OHLF.
Replace the control board.
Does A014-Error
code appear?
Does A014-Error
code appear?
The resistance is
5K-500K Ω?
Yes
No
No
No
Yes
Yes