Gree GWC24QE-D3DNA1D

48
Installation and Maintenance
Service Manual
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Test1
Test2Test3 Test4
Test5
E
G
I
H
F
D
B
A
C
L
Test9
Test6
K
J
Tset7
M
N
Tes t 11
Test10
Test8
S
T
Test12
1.Key detection point
Test NO Test point Corresponding component
7HVWYDOXHXQGHUQRUPDO
condition
Test 1 Between A and C 1HXWUDODQGOLYHZLUHV 160V~265V
Test 2 Between B and C 1HXWUDODQGOLYHZLUHV 160V~265V
Test 3 Between D and E '&EXVEDUHOHFWURO\WLFFDSDFLWRU DC 180V~380V
Test 4 %HWZHHQ)DQG* Electrolytic capacitor of power DC 180V~380V
Test 5 Two ends of diode D15 ',30PRGXODU9SRZHUVXSSO\ DC 14.5V~15.6V
Test 6
Two ends of electrolytic
capacitor C715
&9SRZHUVXSSO\ DC 12V~13V
Test 7
Two ends of electrolytic
capacitor C710
&9SRZHUVXSSO\ DC 5V
Test 8
Two ends of electrolytic
capacitor C226
&9SRZHUVXSSO\ DC 3.3V
Test 9
7ZRHQGVRIFKLSFDSDFLWRU
C912
&9SRZHUVXSSO\ DC 15V~18V
Test 10 Between M to GND 3RLQW0RI5WRJURXQGVLJQDOVHQGLQJSRUWRI2'8 )OXFWXDWHEHWZHHQa9
Test 11 Between N to GND 3RLQW1RI5WRJURXQGVLJQDOUHFHLYLQJSRUWRI2'8 )OXFWXDWHEHWZHHQa9
Test 12 Between S and T 3RZHUVXSSO\RIFRPPXQLFDWLRQULQJ DC 56V