Foster 7300000 Use And Installation Manual page 23

PROTECTION AND SAFETY WARNINGS
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COMMON PROBLEMS
Cooling fan keeps working
after the hob is switched on
The hob makes weird noises
The hob doesn't work,
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the display doesn't turn on
When the hob is switched on,
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the fuse blows out
The glass is cracked
ERROR CODE
E2
Er21
Er91
Er92
E1
Er31
Er45
Er61
Er63
U400
CAUSE
Cooling
Induction causes some noises
like chirping, humming,
acoustic signals
Power is not being supplied
Wrong wiring connection
The glass is damaged
CAUSE
Device temperature too high
Wrong wiring connection
Over voltage
21
POSSIBLE SOLUTION
Standard procedure
These noises can't be fully avoided.
-Try moving the pots
-Make sure the pot's underside is clean
-Try different cookware
-Composite pans can be noisy
-Use pans with a flat bottom
Check fuses
Check the hob is plugged in
Check wiring diagram
Don't use the hob, call service
POSSIBLE SOLUTION
Put the device in stan-by mode.
Remove any coockware from the hob.
Let the hob cool down for some time.
If the problem persists contact service.
Check wiring diagram
The secondary voltage of the power
supply is too high
Check for correct electrical connection