Rheem IKONIC RTGH-SR11i - Page 44

IKONIC Tankless Water Heater Service Manual
44
2.2 ERROR CODE LIST
A014 ERROR CODE
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 heat-
er displays the “ A014 ” error code on the User Inter-
face. This is normally cause by inadequate/wrong GAS
SUPPLY and/or VENTING.
Diagnostic Check
• Over Heat Limiter (OHL)
• Over Heat Limit fuse (OHLF)
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 Ohms?
Yes
No
No
No
Yes
Yes