Samsung MH035FMEA - 4-5-2 Checking Outdoor Controller

Samsung E
l
ectronics 4-3
3
4-5-2 Checking Outdoor Controller
1. Making sure the wire connections.
2. Checking AC(220~240V) line
Caution! When you remove PBA, you have to check DC link Voltage. After Power off, DC link Voltage is so high!
3. Checking DC voltage on each point
4. Checking PFCM
Item Measuring point Normal value
DC LINK CE101 voltage
AC220V -> 305~310Vdc
Main control 15V CE154 voltage 14.5V - 15.5V
Main control 12V CE157 voltage 12V - 15V
Main control 5V CE158 voltage 4.75V - 5.25V
Main control 3.3V CE155 voltage 3.0V - 3.6V
RJ040F2HXEA/RJ050F2HXEA
RJ060F3HXEA/RJ070F4HXEA/RJ080F4HXEA
Item Measuring point Normal value
DC LINK CE001 voltage AC220V -> 305~310Vdc
Main control 15V CE110 voltage 14.5V - 15.5V
Main control 12V CE108 voltage 12V - 15V
Main control 5V CE106 voltage 4.75V - 5.25V
Main control 3.3V CE105 voltage 3.0V - 3.6V
Check Resistance between R and S
Measuring point Normal value
Resistance R - S
over the hundreds
Nȍ
RJ040F2HXEA/RJ050F2HXEA
RJ060F3HXEA/RJ070F4HXEA/RJ080F4HXEA
s
R
s
R
RJ100F5HXEA MAIN PCB
Item Measuring point Normal value
12V CN12 DC11~13V
5V CN32 3-4PIN DC4.75~5.25V
RJ100F5HXEA INVERTER PCB
Item Measuring point Normal value
DC LINK PFCM 33/32 300~320V
Main control 15V DC 14~16V
Main control 12V DC 11~13V
Main control 5V DC 4.75V - 5.25V
Main control 3.3V DC 3.0V - 3.6V
refer to picture
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RJ100F5HXEA