11
EXTRACTOR TROUBLESHOOTING
You observe that Possible causes What should you do?
The hood does not work
-There is a power outage.
-Wire connectors are faulty or
have disconnected.
-Check power supply.
-Check orientation and
security of connectors.
-Check the power supply.
-Check circuit breaker or fuse.
-Try a more powerful
speed setting.
-Ensure adequate air intake
into kitchen.
-Replace charcoal filter.
-Remove any obstructions
from ducting.
-Ensure flaps can move freely.
-There is a power outage.
-The circuit breaker or fuse has tripped.
present.
-Inadequate ventilation in kitchen.
-Charcoal filter (if fitted) is blocked.
-Exit ducting is obstructed.
-Exit flaps on motor housing are
restricted.
The output is low
The hood stops mid operation
FAILURE DISPLAY AND INSPECTION
If an abnormality comes up, the induction hob will automatically enter the protective state and display
corresponding protective codes:
The above are the judgment and inspection of common failures.
Please do not disassemble the unit by yourself to avoid any danger or damage to the downdraft induction
hob.
Problem
U
Possible causes What to do
The appliance
does not work
Break in power supply
Check that power supply is turned on at the socket. If there is a neon light on the socket,
check that this is illuminated. If the neon is not illuminated, check the consumer unit to see
if the MCB or fuse has tripped. If there is a blown fuse, replace it with a new one. If the MCB
has tripped, put it back in the “on” position. If the hob is of a wire connection type,
disconnect the power, check if the wire is loose and if so, rectify. If the above checks have
been carried out and the problem persists, a service is required.
During heating,
the unit stops
working
The timer has been set
No pan or pan unsuitable
Input power too low
Input power too high
Thermistor of coil short circuit.
Thermistor of coil open circuit.
Too high temperature of
the IGBT thermistor.
Too high temperature
of coil thermistor.
IGBT thermistor short circuit
IGBT thermistor open circuit
r a set penod of time, once
specific time, do not set the timer.
Ensure a compatible pan is being used. It must be suitable for induction cooking and not
too small for the zone that is being used to ensure it is detected by the hob. If the problem
persists, there may be a PCB synchronization or drive circuit fault, a service is required.
E2
E1
F3
F4
E5
E3
F9
FA
Low voltage, voltage of the main power is less than 180V. Please check if the voltage of
the main power is normal. Once the voltage has been normalised, re-start the unit. If the
problem persists, a service is required.
High voltage, voltage of the main power exceeds 250V. Please check if the voltage of the
main power is normal. Once the voltage has been normalised, re-start the unit. If the
problem persists, a service is required.
Connection error of the sensor of coil thermistor or failure of the detection part of the PCB
coil thermistor, a service is required.
Too high temperature of the IGBT thermistor indicates that the air outlet may be blocked.
Remove any obstructions and re-start the unit. If the problem persists, it is possible that the
cooling fan has a connection error or has failed; or it may indicate a failure of the drive
circuit of the fan, a service is required.
Too high temperature on induction glass surface, please check if the contents in the pan
have been overcooked by accidentally cooking for too long. Turn
cool down before turning it back on. If the problem persists, a service is required.
Connection error of the IGBT thermistor or failure of the detection part of IGBT PCB sensor,
a service is required.
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