A.O. Smith Innovo IR 12-160, Installation, User And Service Manual

Page: 80 / 96

12.1.3 Warnings
Note
For the coding of the connections, refer to the Electrical wiring diagram (see 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 (on page 3). 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 (on page 3).
When you do not obey this condition, the
warranty will void.
The red 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 red LED of the anode controller is
blinking 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.
Note
There is 1 minute delay between
detection of the cause and the blinking
of the red LED.
n
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 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 8.2.3).
The red 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.
n
80 Installation, Maintenance and Service part