Midea HC-957WEN, Руководство по обслуживанию

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Service Manual_2018-V2.0
49
E8
Defrost sensor
fault in
variablechamber
Step 1: Check whether the terminal of defrost sensor in main
control board is well stuck, pull out the terminal and re-stick it
in place
Step 2: Check to see if ther
e’re foreign matters on the
terminal. Pull out the defrost sensor in refrigerating chamber
according to the method in described in Article 8.6 and then
inspect the sensor against the resistance value table in 9.3
Step 3: Replace main control board
Step 4: Replace electrical wiring main harness
E9
High temperature
alarm in freezing
chamber
Step 1: Check whether the door is tight shut.
Step 2: Check whether the power has been off for a long time.
Step 3: Check whether the compressor is not refrigerated.
Step 4: Same to E2 maintenance methods.
EE
Circuit fault of ice
maker sensor
Step 1: Check whether the terminal ice maker sensor of main
control board is well stuck, pull out the terminal and re-stick it
in place and check if there is any foreign matter on the
terminal
Step 2: Check whether the terminal of ice maker is well
EH
Circuit fault of
ambient humidity
sensor
Step 1: Check whether the terminal ambient humidity sensor
of main control board is well stuck, pull out the terminal and
re-stick it in place and check if there is any foreign matter on
the terminal
Step 2: Check whether the sensor wiring harness are
connected.
Step 3: Replace main control board.
Step 4: Remove the humidity sensor, and replace the sensor.
EF
Circuit fault of
water tank is not
installed right in
place
to check relevant connectors
、
whether the tank-base is
installed rightly
CA
Motherboard ice
maker
communication
failure
Check whether the connection of the terminal CN9 of main
control panel and the terminal CN6 of ice maker plate is well
stuck.