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INVENTOR
Air Conditioner
O3MVO32-12
INVENTOR O3MVO32-12 Service Manual
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T
roubleshooting
Page 84
5.12
P2(High temperature pr
otection of IPM module diagnosis and solution)
Description:
If the temperature of IPM module is higher than setting value, the LED displays this failur
e code.
Recommended parts to prepar
e:
•
Faulty PCB
•
Connection problems
T
roubleshooting and r
epair:
Check the fastening screws on the
PCB and IPM radiator.
Are they
fixed tightly?
Replace the outdoor
control PCB.
Tighten the screws and apply
silicon grease.
NO
YES
87
89
Table of Contents
Table of Contents
3
Service Manual
1
Safety Precautions
5
Precautions
6
Information Servicing
7
Charging Procedures
9
Specifications
11
Default Chapter
11
Model Reference
11
1 Model Reference
12
2 Electrical Wiring Diagrams
13
Indoor Unit
13
Outdoor Unit
15
Product Features
17
Operation Modes and Functions
17
Abbreviation
18
Display Function
18
Operation Modes and Functions
18
Safety Features
18
Cooling Mode
19
Defrosting Mode
19
Fan Mode
19
Heating Mode
19
Auto-Mode
20
Auto-Restart Function
20
Drying Mode
20
Forced Operation Function
20
Sleep Function
20
8°C Heating(Optional)
21
Follow Me(Optional)
21
Information Inquiry
21
Refrigerant Leakage Detection
21
Self Clean(Optional)
21
Silence (Optional)
21
Maintenance and Disassembly
24
1 Maintenance
25
First Time Installation Check
25
Refrigerant Recharge
27
Re-Installation
28
Indoor Unit
28
Outdoor Unit
30
2 Disassembly
32
Indoor Unit
32
Outdoor Unit
44
Troubleshooting
63
Default Chapter
63
Safety Caution
63
1 Safety Caution
65
2 General Troubleshooting
66
3 Error Diagnosis and Troubleshooting Without Error Code
67
Remote Maintenance
67
Field Maintenance
68
4 Quick Maintenance by Error Code
69
5 Troubleshooting by Error Code
74
Common Check Procedures
74
E0/F4 (EEPROM Parameter Error)
76
E1 (Indoor and Outdoor Unit Communication Error)
77
E2 (Zero Crossing Detection Error Diagnosis and Solution)
79
E3/F5
80
E4/E5/F1/F2/F3
82
And Solution)
82
E7 (Indoor PCB /Display Board Communication Error)
83
EC (Refrigerant Leakage Detection Diagnosis and Solution)
84
F0(Overload Current Protection Diagnosis and Solution)
85
Solution)
86
P1(Over Voltage or too Low Voltage Protection Diagnosis and Solution)
87
P2(High Temperature Protection of IPM Module Diagnosis and Solution)
88
P4(Inverter Compressor Drive Error Diagnosis and Solution)
89
Appendix
90
Other manuals for INVENTOR O3MVO32-12
User Manual
74 pages
Installation Manual
156 pages
4
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INVENTOR O3MVO32-12 Specifications
General
Cooling Technology
Inverter
Refrigerant
R32
Energy Class Cooling
A++
Power Supply
220-240V, 50Hz
Operating Temperature (Cooling)
-15°C
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