Siemens HB 151.50 B Instruction Manual page 30

Problem
The oven does not heat up. A
square appears in the
temperature display.
A 5" appears in the clock
display.
The Er 1" or Er 4" error
message appears in the clock
display.
The Er 2" error message
appears in the clock display.
The Er 11" error message
appears in the clock display.
30
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Possible cause
The appliance is currently
in demo mode.
The automatic time limiter
was activated.
The temperature sensor
has failed.
Incorrect mains connection. Switch off the fuses in the fuse box and
A button has been pressed
for too long or a button has
jammed.
Repairs may only be carried out by fully trained
after sales service technicians.
Improper repairs may constitute serious hazards to
the user.
Comments/remedy
Switch off the fuse in the fuse box. Wait
for approximately 20 seconds. Switch
on the fuse again. Within the next
2 minutes, press the rapid heating up
button for 6 seconds until the square in
the display disappears.
Switch off the function selector.
Contact the after sales service.
connect the cooker properly.
Press all buttons separately. If the error
message remains, please contact the
after sales service.