Troubleshooting
Electrical Control System
205
2.4.1.5. Indoor fan Speed has been out of control.(Only for console 12k)
Shut off the power supply and
turn it on 1 minute later. Is it
still displaying the error code?
Shut off the power supply,
rotate the fan by hand. Does
it rotate properly?
The unit operates normally.
Replace indoor fan
motor.
Check the wires of fan motor.
Are all the connections good?
No
Yes
No
Correct the connections.
No
Yes
Replace indoor main PCB. Is it
still displaying the error code?
Yes
Yes
Check the voltage between port
1 and 6 of fan motor connector,
is it 310V?
No
5
4
6
3
2
1
DC motor voltage input and output
NO.
Color
Signal
Voltage
1 Red
V
DC
310V
2
---
---
---
3
White
Vcc
15V
4 Blue
FG
15V
5 Yellow
Vsp
0-7.5V
6
Black
GND
0V
2.4.1.6.
Inverter compressor drive protection (Only for compact cassette 12k & console 12k)
Refer to the outdoor unit P6 malfunction part to solve this problem.
Summary of Contents for mcd-24hrdn1
Page 1: ...DC INVERTER SERIES Service Manual 2013 LIS B 1306...
Page 2: ......
Page 4: ......
Page 15: ...Dimensions 11 2 Dimensions...
Page 16: ...Service Space 12 3 Service Space...
Page 17: ...Wiring Diagrams 13 4 Wiring Diagrams MCA2 12HRDN1 Q MCA2 18HRDN1 Q...
Page 21: ...Field Wiring 17 10 Field Wiring MCA2 12HRDN1 Q MCA2 18HRDN1 Q...
Page 22: ...Field Wiring 18 MCA2 12HRDN1 Q MCA2 18HRDN1 Q...
Page 28: ...Service Space 26 Four way Cassette Type 3 Service Space 1000mm 1000mm 1000mm 1000m m...
Page 29: ...Wiring Diagrams Four way Cassette Type 27 4 Wiring Diagrams MCC 24HRDN1 Q MCC 30HRDN1 Q...
Page 30: ......
Page 31: ...Wiring Diagrams Four way Cassette Type 21 MCC 36HRDN1 Q MCC 48HRDN1 Q MCC 60HRDN1 R...
Page 36: ...Field Wiring 26 Four way Cassette Type 10 Field Wiring Wiring chart...
Page 43: ...Service Space Super Slim Cassette Type 33 3 Service Space 1000mm 1000mm 1000mm 1000m m...
Page 58: ...Wiring Diagrams 48 Duct Type MTB 36HWDN1 Q MTB 48HWDN1 Q MTB 60HWDN1 R...
Page 65: ...Field Wiring Duct Type 55 10 Field Wiring...
Page 66: ...Field Wiring 56 Duct Type Air conditioner link circuit For model 12 For model 18 60...
Page 72: ...Wiring Diagrams 62 Ceiling Floor Type MUB 18HRDN1 Q MUB 24HRDN1 Q MUB 30HRDN1 Q...
Page 79: ...Field Wiring Ceiling Floor Type 69 10 Field Wiring...
Page 80: ...Field Wiring 70 Ceiling Floor Type For model 12 For model 18 60...
Page 82: ......
Page 85: ...Features Console Type 75...
Page 86: ...Dimensions 76 Console Type 2 Dimensions MFA 12HRDN1 Q MFA 18HRDN1 Q...
Page 87: ...Service Space Console Type 77 3 Service Space...
Page 88: ...Wiring Diagrams 78 Console Type 4 Wiring Diagrams MFA 12HRDN1 Q MFA 18HRDN1 Q...
Page 93: ...Field Wiring Console Type 83 10 Field Wiring...
Page 94: ...Field Wiring 84 Console Type...
Page 97: ...Dimensions High Static Pressure Duct 87 2 Dimensions MHD 36HRDN1 Q MHD 48HRDN1 Q MHD 60HRDN1 R...
Page 104: ...Field Wiring 94 High Static Pressure Duct 10 Field Wiring...
Page 108: ...Service Space 98 3rd Generation Ceiling Floor Type 3 Service Space...
Page 114: ...Field Wiring 104 3rd Generation Ceiling Floor Type 9 Field Wiring MUE 48HRDN1 Q MUE 60HRDN1 R...
Page 118: ...Service Space 108 GA Floor standing Type 3 Service Space...
Page 122: ...Accessories 112 GA Floor standing Type 7 Accessories...
Page 124: ...Field Wiring 114 GA Floor standing Type 9 Field Wiring MFGA 24ARDN1 QC2...
Page 125: ...Field Wiring GA Floor standing Type 115 MFGA 36ARDN1 R MFGA 48ARDN1 R MFGA 60ARDN1 R...
Page 129: ...Dimensions Outdoor Units 119 New MOU 48HDN1 Q MOU 48HDN1 R MOU 60HDN1 R...
Page 133: ...Wiring Diagrams Outdoor Units 123 4 Wiring Diagrams MOU 12HDN1 Q MOU 18HDN1 Q...
Page 134: ...Wiring Diagrams 124 Outdoor Units MOU 24HDN1 Q 220075301400 MOU 24HDN1 Q 220075302030...
Page 135: ...Wiring Diagrams Outdoor Units 125 MOU 30HDN1 Q MOU 36HDN1 Q 220075501600...
Page 136: ...Wiring Diagrams 126 Outdoor Units MOU 36HDN1 Q 220075501990...
Page 137: ...Wiring Diagrams Outdoor Units 127 MOU 48HDN1 Q MOU 48HDN1 Q New Body...
Page 138: ...Wiring Diagrams 128 Outdoor Units MOU 36HDN1 R MOU 48HDN1 R MOU 60HDN1 R...
Page 139: ...Wiring Diagrams Outdoor Units 129 MOU 48HDN1 R MOU 60HDN1 R New Body...
Page 224: ...Troubleshooting 214 Electrical Control System 2 4 2 10 P0 malfunction...
Page 225: ...Troubleshooting Electrical Control System 215 2 4 2 11 P1 malfunction Only for 30K 60K...
Page 226: ...Troubleshooting 216 Electrical Control System 2 4 2 12 P2 malfunction Only for 30K 60K...
Page 227: ...Troubleshooting Electrical Control System 217 2 4 2 13 P3 malfunction...