Hisense AMW2-18U4RJC Technical & Service Manual page 130

15. TROUBLESHOOTING
Fault
Fault description
code
Inverter software
50
over-current
51
Out-of-step detection
Abnormal speed
52
control
Out of phase detection
53
fault
IPM-FO hardware
54
over-current (edge)
IPM-FO hardware
55
over-current (level)
The fan motor -AD
56
Offset abnormal
detection fault
The fan motor speed
57
control integral
saturation
The fan motor D,Q
axis current control
58
error
The fan motor D,Q
59 axis current control
integral saturation
60 The fan motor reverse
IPM-PWM initialization
61
fault
Possible reasons for abnormality
1. The fan motor system overloads;
2. The drive board falis;
3. The fan motor is not insulated well;
1.The wire is not connected well;
2.Bad drive board components;
3.The fan motor starting overloads;
4. The fan motor is demagnetized;
5. The fan motor is not insulated well.
1.Bad driver board components;
2.The fan motor shaft clamping;
3.The fan motor insulation fails.
1. Phase loss of the fan motor;
2. Bad drive board components.
1.The fan motor overloads or over-
current;
2.The drive board fails;
3.The fan motor insulation fails.
1.The fan motor overloads or over-
current;
2.The drive board fails;
3.The fan motor insulation fails.
The drive board circuit fails.
1. The fan motor overload mutation;
2. Parameters are inappropriate;
3. The drive board fault.
1. The fan motor overloads, the
phase current is large;
2. The drive board fault.
1. The fan motor overload mutation;
2. Parameters are inappropriate;
3. The drive board fault.
1. Bad drive board components;
2. Wiring problems
1. EE logics error;
2. The drive board fails.
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How to deal with
1. Change the fan motor;
2. Change the drive board;
3. Change the fan motor.
1.Check the fan motor wire connection;
2.Change the drive board;
3. Change the fan motor.
4. Change the fan motor.
5. Change the fan motor.
1.Change the drive board;
2. Change the fan motor.
3. Change the fan motor.
1. Change the drive board;
2. Change the fan motor;
3. Change the fan motor
1. Change the fan motor;
2. Change the drive board;
3. Change the fan motor
1. Change the fan motor;
2. Change the drive board;
3. Change the fan motor
Change the drive board.
1. Change the fan motor system;
2. Change the fan motor;
3. Change the drive board.
1. Check the fan motor system;
2. Change the drive board.
1. Change the fan motor system;
2. Change the fan motor;
3. Change the drive board.
1. Change the drive board;
2. Check the wiring.
1. Change the drive board;
2. Change the drive board.