Error Conditions; Service Conditions - A.O. Smith Innovo 12-160 Installation, Service & Maintenance Manual

3.2.1.3
3.2.2
n
3.2.3
n
22
Fig. Actual water
temperature
External ON mode
In the external ON mode, the water heater will respond to a heat demand when the relay
switch is closed. Use parameter 004 to switch on the setpoint (parameter 005) of the
external ON mode.

Error conditions

If there is an error, the display shows an error code. Error codes always have one letter
and two digits.
Fig. Error code display
Note
When the display shows an error code, try to reset the water heater.
Contact your service and maintenance engineer or supplier when the water heater does
not restart or when the display shows the error code again.

Service conditions

When the display shows Src the water heater functions normally but requires periodical
service. Contact your service and maintenance engineer.
Fig. Service required display
Note
Regular maintenance extends the service life of the water heater.
Fig. Setpoint Fig. Standby
User part