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SiENBE04-401A
Check
Service Diagnosis
145
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.
Gray (power supply)
Purple (signals)
Blue (grounding)
Summary of Contents for ARKH20CAVMB
Page 19: ...List of Functions SiENBE04 401A 10 List of Functions ...
Page 45: ...Specifications SiENBE04 401A 36 Specifications ...
Page 81: ...Control Specification SiENBE04 401A 72 Function and Control ...
Page 111: ...Instruction SiENBE04 401A 102 System Configuration ...
Page 155: ...Check SiENBE04 401A 146 Service Diagnosis ...
Page 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 401A 216 Removal Procedure ...
Page 229: ...Others SiENBE04 401A 220 Others ...