Midea HS-312FWEN, Service Manual

Page: 4 / 54

Service Manual_2020-V1.0
4
8. TEMPERATURE SENSING SYSTEM ................................................................................................................. 35
8.1 P
OSITION OF SENSORS
............................................................................................................................................ 35
8.2 R
EPLACEMENT OF SENSORS
................................................................................................................................... 35
8.3 S
ENSOR WITHOUT TERMINAL REPLACEMENT
.......................................................................................................... 36
8.4 S
ENSOR
R/T
TABLE
.................................................................................................................................................. 37
9. FUNCTION AND OPERATION ............................................................................................................................ 39
9.1 D
ISPLAY OPERATION PANEL
..................................................................................................................................... 39
9.2 T
EMPERATURE CONTROL
......................................................................................................................................... 39
9.3 M
ODE SETTING
......................................................................................................................................................... 40
9.4 D
EFROSTING FUNCTION
........................................................................................................................................... 40
9.5 O
PEN DOOR ALARM
.................................................................................................................................................. 41
9.6 E
RROR CODE AND SOLUTIONS
................................................................................................................................. 41
9.7 T
EST MODE
............................................................................................................................................................... 41
9.8 D
EMO MODE
（
N
ONE
）
........................................................................................................................................... 42
9.9 B
ACKUP DATA FOR POWER FAIL
............................................................................................................................... 42
10. COMPRESSOR .................................................................................................................................................. 43
10.1 C
OMPRESSOR ON AND OFF CONTROL SPECIFICATIONS
........................................................................................ 43
10.2 I
NVERTER BOARD FAULT ANALYSIS
（
N
ONE
）
....................................................................................................... 43
11. TROUBLESHOOTING METHOD ...................................................................................................................... 44
11.1 N
O COOLING
(A
IR COOLING
-E
LECTRONIC
)
............................................................................................................ 44
11.2 N
O WORKING OF COMPRESSOR
............................................................................................................................. 46
11.3 I
NSIDE FROSTING
,
NO DEFROSTING
....................................................................................................................... 47
11.4 I
NSIDE FROSTING
,
NO DEFROSTING
-M
AINTENANCE GUIDELINES
.......................................................................... 48
11.5 L
IGHT IS NOT ON
..................................................................................................................................................... 49
11.6 F
AN FAILURE
........................................................................................................................................................... 50
11.7 D
EFECTIVE DEFROST CIRCUIT
............................................................................................................................... 50
11.8 N
OISE
..................................................................................................................................................................... 51
11.9 A
IR DUCT NOT OPERATED
（
O
PTION
）
.................................................................................................................. 51
11.10 I
CE MAKER NOT MAKE ICE
（
O
PTION
）
............................................................................................................... 52
12. PRODUCT EXPLODED VIEW AND SPARE PARTS LIST
............................................................................. 53