Samsung HH175EZM Service Manual

Troubleshooting12-8Samsung Electronics12-3-3 Outdoor discharge temp. sensor error(OPEN/SHORT)Reoperationafter connect toconnector PCBOutdoor heat exchangertemp. is defective(replace)PCB and sensor are normal.To perform the testoperation by use of K2YesNoYesCheck the out temp.sensor is normal or not by use of outdata display part➞ Check the temp. data isnormal or not after pressing K4 1 times.At this time, is occurred the differencebetween the out temp. and data?Reoperation after PCB replacementDoes the outdoor dischargetemp. sensor connected to PCB?(CN42)At this time, Is largelydeviate the resistance value fromside table value?Measure the resistance valuebetween two terminals after separatingthe outdoor discharge temp.sensor connector from PCBTemp.(˚C)13012010080602520100Resistance(kΩ)8.911.218.53259200242362553NoNoYesOutdoor unit displayIndoor unit displayHow to determineReason of error(Outdoor discharge temp. sensor OPEN/SHORT error)(Operation) (Timer) (Airflow) (Filter)Disconnection and short of outdoor discharger temp. sensorDisconnection or leak of Applied sensor