Sanyo XS1852, C1852 Outdoor Fan does not Run for CL1852, Compressor does not Run

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11. SERVICE PROCEDURES

6)Outdoor Fan does not Run.

• Check fan rotation.

Rotate the fan gently once or twice by hand.

Check resistance of fan motor winding.

OK

Fan cannot be rotated.

Check fan casing for foreign matter

on the inside.

Fan motor burnout or foreign matter

in bearing.

Remove foreign matter or repair.

Repair or replace.

• Check fan motor capacitor

Check continuity between terminals on the compressor motor magnetic contactor.

7)Outdoor Fan does not Run for CL1852.

Check fuse on PCB Ass’y in

outdoor unit for continuity.

If fuse blows,

• Check resistance of primary

 

winding of transformer.

(TR)

1038_X_S

8)Compressor does not Run.

Check compressor motor capacitor (RC1).

OK

Check resistance of compressor motor winding.

0633_X_S

Wait for 30 minutes until com- pressor has cooled.

Compressor runs.

Compressor internal thermal protector is operated.

Check power supply voltage. Is voltage abnormally low?

NO

Is outdoor heat exchanger coil dirty or are there obstacles near air suction inlet?

1336_X_S

SM830079

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Contents Technical Data Indoor Unit Outdoor Unit XS1852 C1852Please Read Before Starting If Necessary, Get HelpTable of Contents Introduction Read Me First XS1852 / CL1852 Operating RangeXS1852 / C1852 Specifications Unit SpecificationsData Subject to Change Without Notice Major Component Specifications Indoor Unit Fan motorMajor Component Specifications Outdoor Unit CompressorOther Component Specifications Indoor Unit Model No XS1852 Power TransformerOther Component Specifications Outdoor Unit Model No CL1852Dimensional Data Indoor Unit XS1852Outdoor Unit C1852, CL1852 Performance Charts 230VAIR Throw Distance Chart Model XS1852To prevent heat loss and wet floors due to dripping Refrigerant Flow DiagramInsulation of Refrigerant Tubing Installation Instructions Tubing LengthSelecting the Installation Site AvoidBaffle Plates for the Outdoor Unit CL×× models only ÃInstall the outdoor unitChoose a place that is well ventilated Electrical Wiring General Precautions on Wiring Wiring System Diagram ModelsElectrical Data Electric Wiring Diagram Electrical Wiring DiagramsSchematic Diagram Outdoor Unit C1852 Outdoor Unit CL1852 Room Temperature Control Processes and FunctionsFreeze Prevention Drain Pump ControlMedium Service Procedures 1334XS Check remote control unit There is a possibility of short circuitCheck. auxiliary relay Check Operation selector switch in the indoor unitTransformer in indoor unit Check fuse on the P.C.B. Ass’y in the indoor unit FMIOutdoor Unit does not Run Check Cool / FAN selector switch in the remote control unitCheck set temperature Check float switch Refer to 11 Drain Pump Control Check compressor motor magnetic contactorSome Part does not Operate Indoor Unit does not RunIndoor fan and louver motor do not run Indoor fan does not runCompressor does not Run Outdoor Fan does not RunOutdoor Fan does not Run for CL1852 Poor Cooling Excessive CoolingRoom temp. Sensor in the remote control unit is defective Operation of Major Electrical PartsPower Supply Wires Measurement of Insulation Re- sistance for Electrical partsChecking the Protective Devices Compressor motor thermal protector . . . . . . Outdoor unitIndoor fan motor FMI Indoor unit Measure the coil resistance Motor capacitor Both in indoor and outdoor unitMethod Used to Replace Fuse on PCB Ass’y Thermistor Characteristic CurveContinuity of fuse on P.C.B. Ass’y Central Region
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XS1852, CL1852, C1852 specifications

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