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

Page: 80 / 92

12.1.3 Warnings
Note
For the coding of the connections, refer to the Electrical wiring diagram (see section
13.4).
Indication Cause Remark
Src
Service is required The water heater exceeded the pre-set
service interval. The water heater operates, but displays this
warning.
Periodic maintenance is a part of the
Warranty. When you do not obey this
condition, the warranty will void.
Ano
Anode protection is
not working
The water heater runs, but there is no
anode protection for the tank. Proper functioning of the anode protection is
a part of the conditions for installation and
use as stated in the Warranty. When you do
not obey this condition, the warranty will
void.
The orange and the green LED of the
anode controller are off:
There is no power to the potentiostat. •
Make sure that there is power to the
potentiostat.
The orange LED of the anode controller
is on and the green LED is off:
The cables between the potentiostat
and the anode(s) are loose or
connected incorrectly.
The earth connection, of the
anode(s), is loose.
The water heater is not filled with
water.
There is short circuit between the
anode(s) and the tank.
There is low conductivity of the
water. •
•
•
•
•
Make sure that:
The cable between the anode controller
and the anode(s) are connected.
If necessary connect the wires correctly.
The water heater is filled with water.
If necessary, fill the water heater (see
section 8.9.1).
The anode is in contact with the tank.
If necessary, replace the anode(s).
Make sure that the water conductivity is
correct, refer to Water composition (see
section 8.2.3). •
•
•
•
The orange and the green LED of the
anode controller are on:
The cable between the potentiostat
and the display are damaged or not
connected. •
Make sure that the cable between the
potentiostat and the display is not damaged
and connected
If necessary, replace the wiring or reconnect
cable.
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