Troubleshooting
MLCAC-UTSM-2010-10
108 Outdoor Units
10.3.2.14. P4 malfunction
When
compressor discharge temperature is higher than 115°C, the unit will stop, and unit runs again when
compressor discharge temperature is lower than 90°C.
P4 display
Temperature protection of
compressor discharge
Check whether the
compressor discharge temp.
is more than 115°C ?
Check whether the wiring
connection is right between
compressor discharge temp.
sensor and PCB according
to wiring diagrams?
Method: Check whether the
resistance of compressor
discharge temp. sensor is
right refer to the
Appendix
2
No
Yes
Yes
Trouble is solved
No
Judge: The
discharge temp.
sensor is broken
Check whether the
refrigerant is leak
Correct the wiring connection
Stop leaking and add refrigerant
Replace the compressor discharge temp. sensor
No
Yes
Replace outdoor main board
Yes
Содержание MOU-12HDN1
Страница 1: ...MIDEA LCAC 50Hz R410A DC Inverter Service Manual 2012...
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Страница 14: ...Dimensions MLCAC UTSM 2010 10 10 New Four way Cassette Compact 2 Dimensions 3 Service Space...
Страница 19: ...MLCAC UTSM 2010 10 Field Wiring New Four way Cassette Compact 15 10 Field Wiring MCA2 12HRDN1 Q MCA2 18HRDN1 Q...
Страница 20: ...Field Wiring MLCAC UTSM 2010 10 16 New Four way Cassette Compact MCA2 12HRDN1 Q MCA2 18HRDN1 Q...
Страница 26: ...Service Space MLCAC UTSM 2010 10 22 Four way Cassette Type 3 Service Space For 18 48k For 60k...
Страница 32: ...The Specification of Power MLCAC UTSM 2010 10 28 Four way Cassette Type 9 The Specification of Power...
Страница 33: ...MLCAC UTSM 2010 10 Field Wiring Four way Cassette Type 29 10 Field Wiring Wiring chart...
Страница 34: ...Field Wiring MLCAC UTSM 2010 10 30 Four way Cassette Type...
Страница 45: ...MLCAC UTSM 2010 10 The Specification of Power Duct Type 41 9 The Specification of Power...
Страница 46: ...Field Wiring MLCAC UTSM 2010 10 42 Duct Type 10 Field Wiring...
Страница 47: ...MLCAC UTSM 2010 10 Field Wiring Duct Type 43 Air conditioner link circuit...
Страница 48: ...Field Wiring MLCAC UTSM 2010 10 44 Duct Type...
Страница 53: ...MLCAC UTSM 2010 10 Service Space Ceiling Floor Type 49 3 Service Space...
Страница 54: ...Wiring Diagrams MLCAC UTSM 2010 10 50 Ceiling Floor Type 4 Wiring Diagrams MUB 12HRDN1...
Страница 62: ...Field Wiring MLCAC UTSM 2010 10 58 Ceiling Floor Type 10 Field Wiring...
Страница 63: ...MLCAC UTSM 2010 10 Field Wiring Ceiling Floor Type 59 For model 12...
Страница 64: ...Field Wiring MLCAC UTSM 2010 10 60 Ceiling Floor Type For model 18 60...
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Страница 68: ...Dimensions MLCAC UTSM 2010 10 64 Console Type 2 Dimensions MFA 12HRDN1 MFA 18HRDN1...
Страница 69: ...MLCAC UTSM 2010 10 Service Space Console Type 65 3 Service Space...
Страница 75: ...MLCAC UTSM 2010 10 The Specification of Power Console Type 71 9 The Specification of Power...
Страница 76: ...Field Wiring MLCAC UTSM 2010 10 72 Console Type 10 Field Wiring...
Страница 77: ...MLCAC UTSM 2010 10 Field Wiring Console Type 73...
Страница 81: ...MLCAC UTSM 2010 10 Service Space Outdoor Units 77 2 Service Space...
Страница 83: ...MLCAC UTSM 2010 10 Wiring Diagrams Outdoor Units 79 4 Wiring Diagrams MOU 12HDN1...
Страница 84: ...Wiring Diagrams MLCAC UTSM 2010 10 80 Outdoor Units MOUA 18HDN1 C0 MOUB 24HDN1...
Страница 85: ...MLCAC UTSM 2010 10 Wiring Diagrams Outdoor Units 81 MOU 30HDN1 MOUB 36HDN1 Q MOU 48HDN1...
Страница 86: ...Wiring Diagrams MLCAC UTSM 2010 10 82 Outdoor Units MOUB 36HDN1 R MOUB 48HDN1 R MOUD 60HDN1 R...
Страница 87: ...MLCAC UTSM 2010 10 Wiring Diagrams Outdoor Units 83 MOUA 60HRDN1...
Страница 108: ...Troubleshooting MLCAC UTSM 2010 10 104 Outdoor Units 10 3 2 10 P0 malfunction...
Страница 109: ...MLCAC UTSM 2010 10 Troubleshooting Outdoor Units 105 10 3 2 11 P1 malfunction Only for 30K 60K...
Страница 110: ...Troubleshooting MLCAC UTSM 2010 10 106 Outdoor Units 10 3 2 12 P2 malfunction Only for 30K 60K...
Страница 111: ...MLCAC UTSM 2010 10 Troubleshooting Outdoor Units 107 10 3 2 13 P3 malfunction...
Страница 130: ...Control MLCAC UTSM 2010 06 126 Control Part 5 Control 1 Wireless Remote Controller 127...