Service manual48
TROUBLESHOOTING Ozonator Does Not Work!
If the ozonator does not work, proceed as follows:
1• Verify if the "Filter Cycle" marker is
displayed when you press the
respective key.
If not, start a filter cycle referring to
the User manual.
2• Measure the voltage between the
ozonator terminals (P12 & P21 on
the board).
You should read ≈230 VAC.
Note: If necessary, refer to the
supplied wiring diagram!
3• If the voltage reading is correct,
replace the ozonator.
"Filter Cycle"
marker
4• If the voltage reading is not
correct, replace the ozonator
fuse (F3) on the board.
5• If the problem persists, replace
the board referring to the
respective section of this manual.
Ozonator
fuse (F3)
To increase the lifetime of the relay, a circuit called "snubber" is used on the ozonator relay.
With this type of circuit, if no ozonator is connected to an output and the relays are open,
the multimeter will still read voltage of around 60 V. This is normal.
It is important to measure voltage when the ozonator is powered on!
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