Midea MB30L20H Quick Start Manual page 38

Service guide
Abnormality self-diagnosis
Display anomaly judgement, please Contact Midea customer service
center.
Indicator
Abnormal display
status
Light on
Flash
Light on
Light on
Light on
Flash
Power-on
display,
auto-enter
timer
system and
starts
flashing
from 12:00
Possible reason
Open circuit of
bottom sensor
Short circuit of
bottom sensor
IGBT sensor open
circuit
IGBT sensor short
circuit
Open circuit of upper
housing sensor
Short circuit of upper
housing sensor
Communication error
Communication error
IGBT overheating
protection
No pot protection
Stepper motor is
damaged
Electromagnetic
valve fault
Electrode fault
Battery power low
indication
18
Solutions
Pull out and re-connect the power cord, the display
still shows the same message, please Contact Midea
customer service center for maintenance.
Check whether the air inlet and outlet are blocked and
whether the fan rotates smoothly. Power on after
debugging and Contact Midea customer service center
for maintenance if there is still a fault.
Check to ensure that the inner pot is placed and power
on. If there is still a fault, Contact Midea customer service
center for maintenance.
If it is powered on after the power is cut off, please
Contact Midea customer service center for
maintenance.
Power on again after cleaning the lid plate and
electrode probe. If there is still a fault, Contact Midea
customer service center for maintenance.
The battery needs to be replaced according to the
prompt. If the battery is not replaced, the clock needs to
be recalibrated before pre-set cooking, which will not
affect the normal use; if the battery needs to be
replaced, Contact Midea customer service center for
maintenance.