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MSMBB-12HRFN1-MU0W
Midea MSMBB-12HRFN1-MU0W User Manual
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1
3
Table of Contents
Table of Contents
3
Safety Precautions
5
Specifications
7
1 Model Reference
8
2 Electrical Wiring Diagrams
9
Indoor Unit
9
Outdoor Unit
10
Product Features
17
Abbreviation
19
Display Function
19
Operation Modes and Functions
19
Safety Features
19
Cooling Mode
20
Fan Mode
20
Auto-Mode
21
Drying Mode
21
Heating Mode
21
8°C Heating
22
Auto-Restart Function
22
ECO Function
22
Forced Operation Function
22
Refrigerant Leakage Detection Function
22
Sleep Function
22
Timer Function
22
Follow Me(Optional)
23
Self Clean(Optional)
23
Maintenance and Disassembly
25
1 Maintenance
26
First Time Installation Check
26
Refrigerant Recharge
28
Re-Installation
29
Indoor Unit
29
Outdoor Unit
31
2 Disassembly
33
Indoor Unit
33
Outdoor Unit
50
Table of Contents
75
Default Chapter
76
Troubleshooting
76
1 Safety Caution
77
2 General Troubleshooting
78
3 Error Diagnosis and Troubleshooting Without Error Code
81
Remote Maintenance
81
Field Maintenance
82
4 Quick Maintenance by Error Code
87
5 Troubleshooting by Error Code
88
Common Check Procedures
88
E0/F4/EA (EEPROM Parameter Error)
90
E1 (Indoor and Outdoor Unit Communication Error)
91
E3/F5(Fan Speed Is Operating Outside of the Normal Range)
93
E4/E5/F1/F2/F3
95
And Solution)
95
Eb (Communication Error between the Indoor PCB and Display Board)
96
EC (Refrigerant Leakage Detection Diagnosis and Solution)
97
F0(Overload Current Protection Diagnosis and Solution)
98
P0(IPM Malfunction Diagnosis and Solution)
99
P1(Over Voltage or too Low Voltage Protection Diagnosis and Solution)
100
P2(High Temperature Protection of IPM Module Diagnosis and Solution)
102
P4(Inverter Compressor Drive Error Diagnosis and Solution)
103
Compressor Driven Chip EEPROM Parameter Error Diagnosis and Solution
104
Outdoor Fan/Compressor Speed Malfunction Diagnosis and Solution
105
Zero Speed Protection of Compressor/ Outdoor Fan or Lack of Phase of Compressor or
105
Communication Error between Outdoor Main Chip and Compressor Driven Chip Diagnosis and Solution
106
IGBT Over-Strong Current Protection Diagnosis and Solution
107
Appendix
108
I) Temperature Sensor Resistance Value Table for T1,T2,T3 and T4 (°C - K)
109
II) Temperature Sensor Resistance Value Table for TP (°C - K)
110
T(°F)=(9∆T(°C))/5
111
IV) Pressure on Service Port
112
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Midea MSMBB-12HRFN1-MU0W Specifications
General
Brand
Midea
Model
MSMBB-12HRFN1-MU0W
Category
Air Conditioner
Language
English
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