EN
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Your water heater: Troubleshooting guide
V.6 Water is too hot
Action to take Solution Cause
1.1. Switch the water heater’s
power supply off
immediately.
1.2. Check the water
heater’s electrical wiring.
Reconnect the water heater’s elec-
trical wiring in accordance with
the diagram on pages 52 and 53.
Connect directly to the resistor ithout
passing through the thermostat.
2.1 Turn off the water heater power
supply.
2.2 Open the plastic cover.
2.3 Lower the temperature setting
gradually using the wheel.
See page 53, Section III Setting
the temperature.
Adjust the thermostat to the
desired temperature.
Thermostat set at the maximum.
V.5 Boiling noise
Action to take Solution Cause
1. Check that the noise occurs when
the water heater is in the process
of heating.
If the noise occurs during heating,
descale the water heater (see
Chapter 7.3 maintenance p.44).
Water heater is scaled up.
If the noise does not occur during
heating or it consists of clicking
noises, or it occurs when the valve
is turned on, consult a plumber so
that they can nd the cause of the
problem.
The water heater is not the cause.
Action to take Solution Cause
Leak located on the hot and cold water take-offs
1.
Switch off the electrical power supply
2. Drain the water heater (see p. 43).
Reconnect all the connections (see
p. 40, the section on installation).
Poor connector sealing
Leak coming from the nuts located under the plastic cover
1.
Switch off the electrical power supply
2. Drain the water heater (see p. 43).
Replace the closing ange seal Damaged seal or leaking heater body.
Lek gevonden bij de bak
1.
Switch off the electrical power supply
2. Drain the water heater (see p. 43).
Replace the water heater. Tank corrosion.
V.4 Leak problem
On a shielded product, this is a normal occurrence as the resistor is directly
submerged in the water.
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