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Si12-411A
Check
Service Diagnosis
215
6.1.15 Hall IC Check
Check No.16
1. Check the connector connection.
2. With the power ON, operation OFF, and the connector connected, check the following.
∗
Output voltage of about 5 V between pins 1 and 3.
∗
Generation of 3 pulses between pins 2 and 3 when the fan motor is operating.
Failure of (1)
Æ
faulty PCB
Æ
Replace the PCB.
Failure of (2)
Æ
faulty hall IC
Æ
Replace the fan motor.
Both (1) and (2) result
Æ
Replace the PCB.
The connector has 3 pins, and there are two patterns of lead wire colors.
Summary of Contents for 2MKD58BVM
Page 1: ...C Series Applied Models zInverter Multi Cooling Only zInverter Multi Heat Pump Si12 411A ...
Page 6: ...Si12 411A Table of Contents v Index i Drawings Flow Charts v ...
Page 7: ...Si12 411A vi Table of Contents ...
Page 67: ...Specifications Si12 411A 56 Specifications ...
Page 173: ...Instruction Si12 411A 162 System Configuration ...
Page 227: ...Check Si12 411A 216 Service Diagnosis ...
Page 295: ...Si12 411A iv Index ...
Page 298: ...Si12 411A Printed in Singapore 03 2005 AK COS ...