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TROUBLESHOOTING CHART
Before calling for service, you can find below some troubleshooting tips. To go further, our website can help
you to find the root cause of most problems which could be encountered. Most of the time you won’t need
any mechanical dismounting action to find where the problem comes from.
If the status indicator is red, an alarm has been detected. This alarm is still active if the fault indicator in ON.
To display this alarm, perform a short push on the confirm button once the homepage is displayed.
TIP: With the alarm number you can self-diagnose your water heater from the dedicated section of
our website.
WARNING CODE EXPLANATION WHAT TO DO
101
Water outlet
temperature too high.
• The water heater adapts its behavior through
the years to adjust its temperature. If this
warning appears too regularly, see our website
for more information.
102
Inside temperature of the
water heater above 185°F.
• A failure occurs regarding the activation of
the heating elements, see our website for
more information.
103-OH
Water outlet temperature
reached too high a temperature
too fast. If this code appears,
the water heater won’t deliver
hot water before your manual
confirmation.
• Perform a long push on the central button to
quit the secured active heating mode. The
water heater adapts its behavior through the
years to adjust its temperature. If this warning
appears too regularly, see our website for
more information.
211 to 216 Temperature sensor error.
• A temperature sensor of your water heater
needs to be replaced; see our website for the
exact component.
226
Alarm raised when the water
heater opens the filling valve and
doesn't detect any flow through
the flowmeter.
• If the filling process was previously in
operation or if the filling process has been
launched while a shuto valve closed, the
filling valve solenoid may be too hot to
work properly, especially when the system
pressure is high. Wait for 10 minutes before
attempting a new filling.
• See our website for other issue.
TROUBLESHOOTING & SERVICE
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