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34 TROUBLESHOOTING
Problem
Noises are heard
during cooking. The
following noises are
normal.
The Boost function
has been deactivated
or cannot be
activated.
The cookware
cannot be detected
automatically.
Cookware has been
damaged.
Output power is
different when the
same type of cooking
zone is used.
Power cycling
The Control Panel
does not work
properly.
Timer does not turn
off the cooking zone.
The hot surface
indicator stays on
after the cooking
zones are turned off.
Cracking sound
• May occur when using composite cookware as the different materials resonate and heat at
different rates. This will not damage or impair the performance of the cookware.
Clicking sound
• Caused by the electrical switches.
• It is normal to hear a clicking noise when operating cooking zones below power level 6.
Ticking sound
• Caused by the cookware detection.
To prevent damage to the product, the cooking zones are separated into two groups,
and you can only use the Boost function on one cooking zone in each group at once. As
shown in the Operation section under "Using the Cook Modes," you can use Boost on a
cooking zone in group 1 and a cooking zone in group 2 at the same time. If the power
range is exceeded by selecting the Boost function, a power management function
automatically reduces the heat setting of the cooking zone. If you try to use Boost on
two cooking zones in the same group, the selected cooking zone displays a flashing
and
and the power level is automatically set to 9 rather than Boost.
G
• For safety, after 6 minutes the Boost setting will automatically revert to either power level
9 or the previously set power level.
Cookware is not compatible with induction cooktop.
• Use only cookware that is compatible with the induction cooktop. For details of compatible
cookware, see Induction Cookware
Cookware is overheated.
• Never use the Boost mode to preheat empty cookware or to heat oil, butter or lard.
• Use the Boost function to boil water or heat up large quantities of food quickly.
Cooktop is overheated.
• The power level displayed may be different from the actual power level at the high end of
the temperature range. To prevent the cooktop from overheating, the power level is
controlled automatically.
This is normal.
• During use, the heating element cycles on/off to control the output power.
Hot cookware is placed on top of the control panel.
• To prevent malfunction, do not place the hot cookware on top of the control panel.
Error code FO, F1, F2, F3, F4, F5, F6, F7, F8, F9, FF, Fn, FP, FC, FD, FE appears on the display.
• Electronic control has detected a fault condition. Turn the power off and on again to turn
off the error code.
• If the issue recurs, call for service.
Error code does not appear on the display.
• Turn off the cooktop and restart it.
• If the problem continues, turn the circuit breaker off for 60 seconds and turn it back on. If
the problem is not fixed, contact a local LG service center or Customer Information Center.
This is normal.
• The kitchen timer/cooking timer acts as a simple timer and does not turn off the cooking
zone.
This is normal.
• After you turn off the cooking zones, the indicator remains on until the ceramic glass
surface cools down.
• If the temperature near the product is high, it may take longer for the ceramic glass
surface to cool down.
Possible Cause & Solution
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