23
TROUBLESHOOTING
If the hob will not operate correctly, before calling the After-Sales Service,
refer to the Troubleshooting Guide to determine the problem.
• Read and follow the instruction s given in the section “Daily use”
• Check that the electricity supply has not been shut o.
• Dry the hob thoroughly after cleaning it.
• If the hob does not work following intensive use, the hob internaltemperature
is too high. Wait a few minutes until the hob cools down.
• If the hob will not operate correctly, before calling the After-Sales Service,
refer to the Troubleshooting Guide to determine the problem.
Error CODE error Description
potential cause for
error
clearing error
ER 03 & continuous
signal sound
Constant use of buttons;
control unit is disrupted
after 10 seconds.
Water or cooking
utensils on the glass
over the control unit.
Clean the operating
surface of the stove.
ER 20 Flash fault. ^ C error.
Replace the electronic
board.
ER 21 Excessive temperature.
The ambient
temperature for
electronics is too high.
Allow the cooking
surface to cool down.
Check the temperature
verication of the
control unit.
ER 22
Key evaluation fault.
Control unit is turned
after 3.5 – 7.5 seconds.
Short circuit or error in
detection of keys.
Replace the electronic
board.
ER 31
Conguration data is
incorrect.
-
New conguration is
required.
ER 36
Temperature sensor
error.
Short circuit or
electronic board turns
o.
Replace the electronic
board.
ER 40
Power supply is too
low to turn on the
appliance.
Primary PTC is too hot.
Disconnect the stove
from power supply
system.
ER 47
Communication error
between the electronic
board conguration and
the heaters.
No communication or
faulty communication.
Make sure that the
connection cable is
connected correctly and
functionally.
U 400 Incorrect connection.
Control unit is
connected incorrectly.
Connect the stove to
correct mains voltage.
WARNING: If the device is operated at maximum level for too long, it can
turn o automatically. This is an ordinary measure for safety of the device.