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Check
Si04-115
92
Service Diagnosis
6.1.9
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)
$
faulty PCB
$
Replace the PCB.
Failure of (2)
$
faulty hall IC
$
Replace the fan motor.
Both (1) and (2) result
$
Replace the PCB.
6.1.10
Refrigerant System Check
Check No.17
Is any moisture
found in sight glass.
Is the
discharge thermistor
disconnected from
the holder?
YES
Is
the temperature
of 4 way valve suction pipe
abnormaly high?
Check for gas leaks. See the
section on insufficient gas
detection.
Refrigerant system check (gas
leaking, short of gas)
NO
NO
NO
YES
YES
Connect thermistor to holder properly.
Conduct vacuum drying.
Faulty 4 way valve, replace 4 way
valve.
Replace the refrigerant.
(R1079)
Conduct the check after operating the
equipment for a sufficient length of time.
Содержание FTK25JV1NB9
Страница 10: ...Si04 115 List of Function 1 Part 1 List of Function 1 Functions 2 1 1 Indoor Unit and Outdoor Unit 2...
Страница 50: ...Si04 115 System Configuration 41 Part 5 System Configuration 1 Instruction 42 1 1 FTK25 35J FTX25 35J 42...
Страница 69: ...Instruction Si04 115 60 System Configuration...
Страница 134: ...Si04 115 For RK25J RK35J RX25J RX35J Removal Procedure 125 2 Slide the MID upward and release Step Procedure Points...
Страница 136: ...Si04 115 For RK25J RK35J RX25J RX35J Removal Procedure 127 4 Remove the fan motor Step Procedure Points...
Страница 145: ...For RK25J RK35J RX25J RX35J Si04 115 136 Removal Procedure...
Страница 146: ...Si04 115 Others 137 Part 8 Others 1 Others 138 1 1 Explanation 138...