Midea SBS Series - Page 56

Service Manual_2023-V2.0
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Step 2: Enter the forced ice making mode and check whether
the ice maker works normally.
Step 3: If the ice maker does not work, replace the ice motor.
Step 4: If the fault still occurs, replace the main control PCB.
EH
Circuit fault of ambient
humidity sensor
Step 1: Check whether the connection terminal s in the hinge
cover and the main control PCB are plugged in place and
whether there are foreign matters in them; after cleaning the
terminals, plug them in again.
Step 2: If the fault still occurs, pull out the connection terminal
on the hinge cover, use a multi meter to check the voltage
value of the sensor, and confirm whether it is normal.
Step 3: If the voltage value is wrong, replace the sensor.
Step 4: If the fault still occurs, replace the main control PCB.
EF
Water tank installation
failure
Step 1: Check whether the water tank is installed in place, pull
out the water tank and install it again;
Step 2: Check whether the connection terminals behind the
water tank seat is plugged in place and whether there are
foreign matters in it; after cleaning the terminal, plug it in
again.
Step 3: Check whether the switch in the water tank seat is
damaged, replace a new switch.
EP
Ice-flipping fault of freeze
ice maker
Step 1: Check whether the connection terminal on the ice
maker and the Ice-making PCB (Power board) are plugged in
place and whether there are foreign matters in them, after
cleaning the terminals, plug them in again.
Step 2: If the fault still occurs, enter the Forced Ice Making
mode and check whether the ice maker works normally.
Step 3: If the ice maker not OK, replace it with a new one.
Step 4: If the fault still occurs, replace the Ice-making PCB
(Power board).
CA
Main control PCB and
Ice-making PCB
communication fails
Step 1: Check whether the connection terminal on the Ice-
making PCB (Power board) and main control PCB are plugged
in place and whether there are foreign matters in them, after
cleaning the terminals, plug them in again.
Step 2: If the fault still occurs, pull out the connection terminal,
use a multi meter to check the resistance value of the wire
between the Ice-making PCB (Power board) and the main
control PCB to see if it is broken. (If test value is ∞Ω, the wire
is broken. Replace it with a new one.)
Step 3: If the wire is OK, replace the Ice-making PCB.
Step 4: If the fault still occurs, replace the main control PCB.