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Powered Anode Check Flow Chart
Powered anode
Fault
Check
connection at
anode
Check
voltage ≈
2.5 Vdc
Check
connection at
ground
Check
connection on
control board @
CN203
Disconnect
CN203
and measure
resistance between
pin1 and tab at
end of wire
≈100Ω
Bad
Good
Bad
Good
Bad
Good
Reconnect
terminal to
powered
anode
Reconnect
terminal to
control board
@ CN203
Reconnect
ground to
terminal in
bottom of control
board box
Disconnect wire
from powered
anode
Fault
cleared?
Yes
Done
No
Bad
Good
Check
resistance
from anode center
tab to tank
≥1MΩ
Bad
Remove
anode and
check resistance
from threaded portion
of anode to the
tab ≥1MΩ
Bad
Replace
anode
Good
Check
that upper
element is
folded
No
Replace
element
with folded
type
Yes
Clean threads on
powered anode and
tank threads, apply
tefl on® tape to anode,
re-install and re-connect
Restore
power
Fault
cleared?
Yes
No
Call tech
services
Good
Replace
control
board *
Bad
Replace
anode
wire
Place unit in
standby mode
and turn power
off at breaker/
fuse panel
Fault
cleared?
Fault
cleared?
Yes
Yes
No
No
Call tech services
*If replacing the control board does not resolve the issue, contact technical support.