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Carrier 40MBFAQ Service Manual

Carrier 40MBFAQ
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40MBFAQ: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
20
CN1 Communication with the Main PCB
3. Outdoor DC Fan Motor (control chip is in outdoor PCB)
Release the UVW connector. Measure the resistance of U-V, U-W, V-W. If the resistance is not equal to each other, the
fan motor has
malfunctioned and needs to be replaced. Otherwise the PCB has malfunctioned and needs to be replaced.
NO SIGNAL VOLTAGE
1 Vcc +15V
2GND
3 TXD 0~6V
4 RXD 0~15V
5----
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Carrier 40MBFAQ Specifications

General IconGeneral
BrandCarrier
Model40MBFAQ
CategoryHeater
LanguageEnglish

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