Dc_Link Voltage Sensor Error - Samsung AC035FCADEH/EU Service Manual

4-4-12 DC_link voltage sensor error

1.Checklist :
1) Is the PFC Shunt(PF2:R062,R063,PF3:R807,R808,R809) resistance value correct? Check the resistor is opened
2) Is the condition of surrounding temperature abnormal overload?
3) Is there any problem as like the temperature sensor separation or measurement value error?
4) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Restart after power off.
Is the condition of indoor/outdoor
temperature normal load?
Is the position of temperature sensor and the sensing value
normal?
Is the connection cable for the compressor and
power terminal normal?
Exchange the Outdoor PBA
4-42
Yes
Yes
Yes
No
No
Yes
Is the I_trip error
occurred again?
No
No
Restart after returning to the normal load
No
Terminate the service
Correct the sensor position or exchange the
sensor
Correct the cable connection
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