Midea 22031020000124, Service Manual

Page: 28 / 44

Service Manual , 2016-12
28 / 44
When failure occurs, the corresponding LED light group will display fault code
(circular display);
If no failure occurs, the current operation gear will be displayed.
9.5
Setting of the gear
Press the gear setting button ‘SET’ once, the gear will be changed once; 25 seconds after
setting the gear, the refrigerator will be running in accordance with the set value.
The gear can be set to: (The set temperature will be reduced by 1°C and it can be set
circularly)
9.6 Control of standby function
When the refrigerator is working, keep pressing the
gear setting button “SET”
for 3
seconds (takes effect when releasing the button), the refrigerator will be in standby mode, the
standby indicator will light up and all loads will stop working;
When the refrigerator is in standby mode, press the
gear setting button “SET”
, the
refrigerator will enter normal operation mode, the standby indicator will light off and the
refrigerator will operate normally;
9.7 Control of ice make
r
(None)
9.8 Fault code and solutions
Fault
code
Fault content
Code
visible
Display Steps for maintenance methods
E1
Temperature
sensor fault in
refrigerating
chamber
Yes
“On” of LED1
and
LED2
simultaneously
Step 1: Check whether the terminal CN3 is well
stuck, pull out the terminal and re-stick it in place
Step 2: Check to see if therere foreign matters on
the terminal. Pull out the refrigerating sensor
according to the method in described in Article
8.4 and then inspect the sensor against the
resistance value table in 10.8.
Step 3: Replace main control board
Step 4: Replace electrical wiring main harness
E5
Fault of F frost
sensor
Yes
“On” of LED1
and
LED3
simultaneously
Step 1: Check whether the terminal CN3 is well
stuck, pull out the terminal and re-stick it in place
Step 2: Check to see if therere foreign matters on
the terminal. Pull out the defrost sensor in
freezing chamber according to the method in
described in Article 8.4 and then inspect the
sensor against the resistance value table in 10.8.
Step 3: Replace main control board
Step 4: Replace electrical wiring main harness
E7
Ambient
temperature
sensor fault
Yes
“On” of LED1
and
LED4
simultaneously
Step 1: Check whether the terminal CN3 of 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