Siemens EH70650 Repair Instructions page 59

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Cause of the breakdown: factors external to the appliance
The error indication disappears when the external problem is solved
and/or upon disconnecting the appliance from the power grid or after a
period of time under operation.
Failure Description
Burners Solution
c1
Insufficient
4 or 2
voltage error
(<185 V)
c2
Inductor
1
temperature
failure
c3
Radiator
1
temperature
failure
7.7.2
Warning indications sent by the touch control
Failure
U400 appears static on the display and indicates an acoustic
signal
when
the
erroneously at 400 V (This warning appears when the
measured voltage on the power grids reaches 280 volts, and
U400
cases have occurred in which this warning appears at 250
volts).The electric company can divert the supplied voltage
by +/- 7%.Disconnect the cooktop from the power grid.The
failure disappears when the incorrect voltage is corrected.
F and 8 blink alternately on the display corresponding to the
F8
cooking zone if the maximum cooking time has been
206_58300000105199_ara_en_h – 15.03.a
Disconnect the cooktop from the
power grid. The error disappears
when the correct voltage is
supplied.
The cooktop has heated up
excessively, and the appliance
must be disconnected from the
power grid. If the failure
continues, allow to cool.
The cooktop has heated up
excessively, and it must be
disconnected from the power
grid. If the failure continues,
allow to cool.
electronics
have
been
connected
exceeded.The times depend on the power level and go from
1 to 10 hours.
"E" blinks alternately with the power level or the residual heat
indicator when the corresponding sensor has been pressed
for too long (> 5 seconds), thereby sounding the acoustic
signal. When the "on" sensor is pressed for more than this
time, "E" appears on all displays.It can occur due to liquids
E
spilled over the sensor zone or due to an object that has
been left on top.The indicator disappears when the problem
has been removed from the sensor and any other key is
pressed.
F and 2 blink alternately on the corresponding display if the
NTC temperature of the TC is excessively high (> 100º C).If
F2
F2 appears, cooking zones 1 and 4 will not work.
F and 4 blink alternately on the corresponding display if the
NTC temperature of the TC is excessively high (> 100º C).If
F4
F4 appears, none of the 4 zones works.
The touch control has an internal failure (except with Er32).
ErXY
This warning occurs when a touch control of a 2I appliance
Er32
is connected to a 4I appliance, or vice versa. Check the
replacement part.
The power grid voltage is too low.
cl
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