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Carrier 38MGRQ24C 3 Series User Manual

Carrier 38MGRQ24C 3 Series
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38MGR-04SM Specifications subject to change without notice. 51
DIAGNOSIS AND SOLUTION (CONT)
Index 1:
DC fan motor (control chip is inside fan motor)
Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not
in the range showing in the table below, the PCB needs to be replaced.
Fig. 60 — DC Fan Motor
Fig. 61 —Test the Voltage
NO. COLOR SIGNAL VOLTAGE
1 Red Vs/Vm 200~380V
2 --- --- ---
3 Black GND 0V
4 White Vcc 13.5~16.5V
5 Yellow Vsp 0~6.5V
6 Blue FG 13.5~16.5V
Vs
Vcc
Vsp FG

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Carrier 38MGRQ24C 3 Series Specifications

General IconGeneral
BrandCarrier
Model38MGRQ24C 3 Series
CategoryAir Conditioner
LanguageEnglish

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