Carrier 52S FAN Motor Troubleshooting Chart Typical 208/230 Volt Motors, Typical 265 Volt Motors

Page 33

SYMPTOM

MOTOR HUMS

 

MAKES NO NOISE

STARTS BUT

 

STARTS

 

RUNS ON

 

 

BUT DOES

 

AND DOES NOT

STOPS AFTER

 

BUT RUNS

 

ONE SPEED,

POSSIBLE CAUSE

NOT START

 

START

SHORT TIME

 

SLOW

 

NOT ON

 

 

 

 

 

 

 

 

 

 

 

OTHERS

DEFECTIVE BEARING

X

 

 

 

X

 

X

 

 

CAPACITOR DEFECTIVE

X

 

 

 

X

 

 

 

 

 

SWITCH DEFECTIVE

 

 

X

 

 

 

 

 

 

X

LOW LINE VOLTAGE

X

 

 

 

X

 

X

 

 

SHORTED MOTOR WINDING

X

 

X

 

 

 

 

 

 

X

NO POWER TO UNIT

 

 

X

 

 

 

 

 

 

 

INTERNAL THERMOSTAT OPEN

 

 

X

 

 

 

 

 

 

 

MISWIRED

X

 

X

 

X

 

 

 

 

X

FAN STUCK

X

 

 

 

 

 

 

 

 

 

BROKEN MOTOR WIRE

X

 

X

 

X

 

 

 

 

X

MOTOR WINDING GROUNDED

X

 

X

 

 

 

 

 

 

 

OPEN MOTOR WINDING

X

 

X

 

X

 

 

 

 

X

FIGURE 63 Ð FAN MOTOR TROUBLESHOOTING CHART

 

 

 

 

TYPICAL 208/230 VOLT MOTORS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CARRIER PART NUMBER

 

HC37CE246

 

HC37CE242

 

HC35CE234

 

 

HC37CE211

MANUFACTURER'S

 

5KCP39BGT165S

 

5KCP39BGR198S

 

5KCP39CGT162S

 

5KCP39DGT164S

PART NUMBER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR VOLTAGE

 

208/230

 

208/230

 

208/230

 

 

208/230

MOTOR HORSEPOWER

 

1¤15

 

1¤10

 

1¤8

 

 

 

1¤6

MOTOR SPEEDS

 

2

 

3

 

2

 

 

 

2

RESISTANCE (OHMS)

 

147

 

90

 

74

 

 

 

58

BLACK TO WHITE WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE (OHMS)

 

169

 

71

 

53

 

 

 

24

BLACK TO BROWN WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE (OHMS)

 

N.A.

 

38

 

N.A.

 

 

 

N.A.

BLACK TO BLUE WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE (OHMS)

 

42

 

31

 

28

 

 

 

41

BLACK TO RED WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Resistance values are approximate.

 

 

 

 

 

 

 

 

 

 

 

TYPICAL 265 VOLT MOTORS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CARRIER PART NUMBER

 

HC29CE273

 

HC33CE267

 

HC35CE268

 

 

HC37CE266

MANUFACTURER'S

 

5KCP39BGT161S

 

5KCP39BGR199S

 

5KCP39CGT163S

 

5KCP39EGT171S

PART NUMBER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR VOLTAGE

 

265

 

265

 

265

 

 

 

265

MOTOR HORSEPOWER

 

1¤15

 

1¤10

 

1¤8

 

 

 

1¤6

MOTOR SPEEDS

 

2

 

3

 

2

 

 

 

2

RESISTANCE (OHMS)

 

172

 

85

 

78

 

 

 

52

BLACK TO WHITE WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE (OHMS)

 

197

 

52

 

45

 

 

 

26

BLACK TO BROWN WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE (OHMS)

 

N.A.

 

43

 

N.A.

 

 

 

N.A.

BLACK TO BLUE WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE (OHMS)

 

49

 

34

 

34

 

 

 

43

BLACK TO RED WIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Resistance values are approximate.

FIGURE 64 Ð TYPICAL 52S FAN MOTORS

33

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Page 32 Page 34
Contents Contents Service Technician GuideSummary of DANGERS, WARNINGS, and Cautions IntroductionModel Number Nomenclature To Disconnect Power for CORD- Connected Unit General DisassemblyTo Open the Control BOX To Remove the Unit from the Wall SleeveDuct Extension Screws Removing the AIR Baffle To Access INDOOR-AIR Section ComponentsTo Remove the TOP Cover Ð Remove the screw To Remove the AIR Discharge GrilleTo Access OUTDOOR-AIR Section Components To Remove the Discharge DeckTo Remove the Gusset Removing Stator Cleaning and Safety General CleaningComponent Cleaning Schedule Consider the following safety issues before beginningCleaning the Indoor AIR Filter Ð Remove Monthly CleaningReplacing the Indoor AIR Filter Ð Access Tools NeededCleaning the Vent AIR Filter Replacing the Vent AIR FilterChassis Seasonal Cleaning Accessing the Indoor and OutdoorDisconnect ALL Power to Unit Accessing the Indoor FAN and Indoor Cleaning the Indoor and Outdoor CoilsCoils section Section Components onCleaning the Indoor FAN and FAN Disconnect ALL Power to the UnitCleaning the Heater Assembly Ð Once Rotary Compressor Components CompressorBasic Hermetic Compressor Electrical Measurements Compressor TroubleshootingBasic Compressor Troubleshooting Guide SHORTED/OPEN Windings Test Compressor ReplacementRemoving the Compressor Ð Follow the steps Disconnect all power to unitRefrigerant Charging Ð Every mechanical Installed Filter DrierHeaters Common Causes Heater FailureHeater Removal Removing Heater Screws Typical 52S Unit Operating Controls Operating ControlsNON-USER Adjustable Switches Description of Switch SettingsHigh Heat or High Cool Ð Push button Outside or Vent AIR Ð Push the FAN onlyHEAT/COOL Units Figure Sequence of OperationCooling only Units Figure Heat Pump Units FigureComponent Operation and Troubleshooting Tools NeededIndoor Thermostat Heat Pump Units Outdoor Frost Thermostat Heat Pump Units Indoor Thermostat IT CONTACTS, ALL 52SQ AA and CP ModelsCapacitor Test Locked OUTOutdoor Frost Thermostat Screws Electrical Components Removal and ReplacementComponent Locations Open Control BOX FAN Motor Troubleshooting FAN MotorBasic FAN Motor Electrical Tests Typical 265 Volt Motors FAN Motor Troubleshooting Chart Typical 208/230 Volt MotorsRemoval FAN Motor ReplacementField Temperature Charts 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Wiring Schematic 52SC Ð 208/230 V and 265 V AA and CP Units Wiring SchematicsWiring Schematic 52SE Ð 208/230 V and 265 V AA and CP Units Wiring Schematic 52SE Ð 208/230 V and 265 V RC Units Wiring Schematic 52SQ Ð 208/230 V and 265 V AA and CP Units Wiring Schematic 52SQ Ð 208/230 V and 265 V RC Units Most Frequent Ptac Service Questions
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