52C,P
SERIES
30
FIGURE 56 — FAN MOTOR TROUBLESHOOTING CHARTTYPICAL 208/230 VOLT MOTORS
NOTE: Resistance values are approximate.
TYPICAL 265 VOLT MOTORS
NOTE: Resistance values are approximate.
FIGURE 57 — TYPICAL 52C,P FAN MOTORS
POSSIBLE CAUSE
SYMPTOM
Motor Hums
But Does
Not Start
Makes No Noise
and Does Not
Start
Starts But
Stops After
Short Time
Starts
But Runs
Slow
Runs On
One Speed,
Not On Others
DEFECTIVE BEARING XXX
CAPACITOR DEFECTIVE XX
SWITCH DEFECTIVE XX
LOW LINE VOLTAGE XXX
SHORTED MOTOR WINDING XX X
NO POWER TO UNIT X
INTERNAL THERMOSTAT OPEN X
MISWIRED XXX X
FAN STUCK X
BROKEN MOTOR WIRE XXX X
MOTOR WINDING GROUNDED XX
OPEN MOTOR WINDING XX X X
UNIT 52C,P (BTUH) 7,000/9,000 12,000/15,000
CARRIER MOTOR PART NUMBER HC37GE237 HC37GE238
MANUFACTURER’S
PART NUMBER 5KCP29ECA299A 5KCP29ECA301
MOTOR VOLTAGE 208/230 208/230
MOTOR HORSEPOWER .075 .125
MOTOR SPEEDS 22
RESISTANCE (OHMS)
BLACK TO WHITE WIRE 101.4 90
RESISTANCE (OHMS)
BLACK TO BROWN WIRE 45.8 71
RESISTANCE (OHMS)
BLACK TO RED WIRE 38.8 32.9
UNIT 52C,P (BTUH) 7,000/9,000 12,000/15,000
CARRIER MOTOR PART NUMBER HC29GE236 HC33GE239
MANUFACTURER’S
PART NUMBER 5KCP29FCA315 5KCP29FCA316
MOTOR VOLTAGE 265 265
MOTOR HORSEPOWER .075 .125
MOTOR SPEEDS 22
RESISTANCE (OHMS)
BLACK TO WHITE WIRE 144.0 83.7
RESISTANCE (OHMS)
BLACK TO BROWN WIRE 29.3 39.1
RESISTANCE (OHMS)
BLACK TO RED WIRE 82.1 45.2