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SiBE04-302
Check
Service Diagnosis
127
<Measuring positions>
5.1.11
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.
MULTIMETER
(DC, VOLTAGA RANGE)
DB1
TRM1
S90 THERMISTOR LEAD WIRE
S80 FOUR WAY VALVE LEAD WIRE (Heating Pump only)
S70 FAN MOTOR LEAD WIRE
REACTOR LEAD WIRE
COMPRESSOR LEAD WIRE
(R2956)
Содержание ARK25BVMB
Страница 10: ...SiBE04 302 List of Function 1 Part 1 List of Function 1 Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 5 ...
Страница 17: ...Functions SiBE04 302 8 List of Function ...
Страница 31: ...Specifications SiBE04 302 22 Specifications ...
Страница 137: ...Check SiBE04 302 128 Service Diagnosis ...
Страница 170: ...SiBE04 302 Outdoor Unit Removal Procedure 161 2 Slide the MID upward and release Step Procedure Points ...
Страница 172: ...SiBE04 302 Outdoor Unit Removal Procedure 163 4 Remove the fan motor Step Procedure Points ...
Страница 177: ...Outdoor Unit SiBE04 302 168 Removal Procedure 2 Slide the reactor assembly this side and release Step Procedure Points ...
Страница 184: ...SiBE04 302 Others 175 Part 8 Others 1 Others 176 1 1 Explanation 176 1 2 Jumper Settings 177 ...
Страница 195: ...Wiring Diagrams SiBE04 302 186 Appendix ...
Страница 199: ...SiBE04 302 iv Index ...