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SolutionPossible causeSymptomError code
Connect the appliance in
accordance to rating plate
and instructions.
Voltage of the mains is too
high.
U 400 appears on
display with continuous
sound tone.
U400
Wait for cooking zone to cool
down or fill the pan with
foodstuff.
Empty pan was heated on
the cooking zone.
E2 appears on display.E2
Clean the control panel.One of the controls is
pressed to long. Or there is
water, dirt or a pan on the
controls.
Er03 appears on
display.
Er03
Retry connecting the
appliance to your network.
Make sure that new devices
may connect to it (e.g.
MAC-address filtering is
deactivated).
Connection Setup failed.E7 appears on display
after doing the Wi-Fi
connection setup.
E7
Use Celsius°Cooking™
cookware
Non-Celsius°Cooking™
cookware is not supported
E65 appears on
display, together with
Hestan Cue is blinking
E65
Replace battery - check the
status with the Hestan App
when unsure.
Celsius°Cooking™ cookware
was not found (empty
battery, out of range, etc.).
E66 appears on
display, together with
Hestan Cue is blinking.
E66
If handle cap is mounted
correctly; Replace battery -
check the status with the
Hestan App when unsure.
Celsius°Cooking™ cookware
missing.
E67 appears on
display, together with
Hestan Cue key is
blinking.
E67
Unblock the ventilator;
disconnect appliance from
main voltage for 10 sec
Ventilator is blocked (eg
possible by item in the
drawer)
E8 appears on displayE8
After the hob has cooled
down, cooking can be
continued
Zone is overheatedZone stops unintended
and residual heat
indicator is shown
NOTE!
In case of other error codes: please write down the error code and contact the service department.
41
Troubleshooting
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