Sanyo CL1852, XS1852, C1852 There is a possibility of short circuit, Check remote control unit

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11. SERVICE PROCEDURES

(b)Circuit breaker trips in several minutes after turning the air conditioner on.

There is a possibility of short circuit.

Check capacity of circuit breaker.

Is capacity of circuit breaker sufficient ?

Check resistance of outdoor fan motor winding.

Check resistance of compressor motor winding.

NO

Replace it with a suitable one.

(= larger capacity)

0614_X_S

2Neither indoor unit nor outdoor unit runs. A. Power is not supplied

 

 

 

 

Circuit breaker

 

• Check power supply.

NO

 

 

is tripped.

 

 

 

 

 

Is power being supplied

 

 

 

 

 

 

 

 

 

to outdoor unit ?

 

 

 

 

 

 

 

 

Power failure.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reset the breaker.

Wait for recovery or consult power supply company.

0615_X_S

B. Check remote control unit.

Try to run both indoor and NO outdoor units with another remote control unit.

OK

The other remote control unit is defective.

Refer to item C.

0616_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 Control Medium 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 contactorIndoor Unit does not Run Indoor fan and louver motor do not runSome Part does not Operate 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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