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
