American Water Heater HPE10260H045DV Benutzerhandbuch

29

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.