Midea HC-957WEN, Руководство по обслуживанию

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Service Manual_2018-V2.0
48
Step 4: Replace electrical wiring main harness
E3
Temperature
sensor fault in
variable chamber
Step 1: Check whether the terminal of temperature sensor in
main control board is well stuck, pull out the terminal and
re-stick it in place
Step 2: Check to see if there
’re foreign matters on the
terminal. Pull out the defrost sensor in variable chamber
according to the method in described in Article 9.2 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
E4
Defrost sensor
fault in
refrigerating
chamber
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
E5
Defrost sensor
fault in freezing
chamber
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
there’re foreign matters on the
terminal.
Step 3: Inspect the defrost sensor whether contact is bad, and
resend contact the fast connector
Step 4: Replace main control board
E6
Communication
failure
Step 1: Check whether the terminal CN9 is well stuck, pull out
the terminal and re-stick it in place
Step 2: Check to see if
there’re foreign matters on the
terminal.
Step 3: Inspect the display control board terminal whether
contact is bad, and resend contact the fast connector
Step 4: Replace main control board
Step 5: Replace display control boardStep 6: Replace main
wire
E7
Ambient
temperature
sensor fault
Step 1: Check whether the terminal of temperature sensor in
main control board is well stuck, pull out the terminal and
re-stick it in place Step 2: Check whether the sensor wiring
harness are connected.
Step 3: Replace main control board.
Step 4: Remove the temperature sensor at the hinge, and
replace the temperature sensor.