Midea UL-BD386WE-SQ, Service Manual

Page: 29 / 42

Service manual, 2016-12
29 / 42
display for 30 seconds, then darken.
9.5 Setting of the gear
9.5.1 Lock and unlock
In unlocked status, press the button(LOCK/UNLOCK) for 3S,to enter into the locked status
In locked status, press the button(LOCK/UNLOCK) for 3S,to enter into the unlocked status
Note
：
All below operations must be in unlock status
9.5.2 Switch between Fahrenheit and Centigrade
When it displays Centigrade, press the switch button(
℃
/
℉
),it will be switched to Fahrenheit display
When it displays Fahrenheit, press the switch button(
℃
/
℉
),it will be switched to Centigrade display
9.5.3 Temperature setting and the switch between refrigerator and freezerPress temperature
adjustment button(E&F) to set the temperature, during the setting ,the temperature digit will blink,
the temperature setting range -14~-22
℃
(not change circularly); it will quit setting status and take
effect with the setting till the digit blink for 10 seconds.(it also can take effect manually if press the
Lock/Unlock(D) button after temperature setting)
9.5.4Quick freeze function
1. Entry condition
：
If the refrigerator works as a freezer, press Quick Freeze button to enter into quick freeze mode, the
temperature digit displays -24
℃
or -11
℉
2. working process
During working in quick freeze mode, the compressor switch on, the default time is 6 hours
3. Exit condition
1.The quick freeze mode will exit automatically after works for 6 hours or 48 hours
2. Press quick freeze button to exit quick freeze mode
3. when operate the temperature adjustment button, the quick freeze mode will exit
If the quick freeze mode exit, the product will work according to last temperature setting
9.6 Control of standby function(None)
9.7 Control of ice make
r
(None)
9.8 Fault code and solutions
Fault
code
Fault content Error Code Steps for maintenance methods
E2
Freezer
temperature
sensor fail
E2
Step 1: to check whether the CN4 wiring connector
connect well, unplug and plug in again;
Step2: to check whether there is foreign object on the
wiring connector of sensor, unplug the connector by
refering to chapter 8.5, and check the Ohmic value by
comparing with the resistance sheet
Step3: change the main PCB
Step4: Change the wiring harness
E5
Defrosting
sensor fail
E5
Step 1: to check whether the CN4 wiring connector
connect well, unplug and plug in again;
Step2: to check whether there is foreign object on the
wiring connector of sensor, unplug the connector by
refering to chapter 8.5, and check the Ohmic value by
comparing with the resistance sheet
Step3: change the main PCB
Step4: Change the wiring harness
E6
Ambient
temperature
E6
Step1: to check whether the whether the wiring harness
connected well