TROUBLESHOOTING COOLING CHART (cont)
SYMPTOM | CAUSE | REMEDY | |
Integrated control motor | Blower wheel not secured to shaft. | Properly tighten blower wheel to shaft. | |
(units 50SX048 208/230 v |
|
| |
Insufficient voltage at motor | Determine cause and correct. | ||
and 50SX060) | |||
|
| ||
IFM does not run. | Power connectors not properly seated | Connectors should snap easily; do not force. | |
Integrated control motor (units | Motor programmed with a delay pro®le | Allow a few minutes for motor to shut off. | |
50SX048 208/230 v |
|
| |
With thermostat in OFF the voltage on | If measured voltage is more than 1¤2, the ther- | ||
and 50SX060) | G,Y1,Y/Y2,W with respect to common, | mostat is incompatible with motor. If voltage is | |
IFM runs when it should be off. | |||
should be less than 1¤2 of actual low | less than 1¤2, the motor has failed. | ||
| voltage supply |
| |
Integrated control motor (units | Water dripping into motor | Verify proper drip loops in connector wires. | |
50SX048 208/230 v |
|
| |
Connectors not ®rmly seated | Gently pull wires individually to be sure they | ||
and 50SX060) | |||
| are crimped into the housing. | ||
IFM operation is intermittent. |
| ||
|
| ||
IFM Ð Indoor (Evaporator) Fan Motor |
|
|
43