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Troubleshooting Guide
Service Manual
103
Electronic Parts Troubleshooting Guide
Electronic Parts Troubleshooting Guide
1. The Outdoor Unit does not operate at all
Does the Operating LED of indoor unit blink
when Operation’s ON?
Refer to the self-diagnosis function.
NO
NO
Is the Connection between CN-Power of indoor
unit and terminal block?
Check the connecting state of connector
NO
YES
Is the voltage of CN-POWER
in outdoor
PCB Ass’y about AC220V / 240V?
Check the main power
NO
YES
Check the Fuse of outdoor PCB Ass’y.
Chek the connecting state of wires
Replace the PCB Ass’y.
NO
Is the connection of cable between indoor and
outdoor unit ringht?
Indoor
Outdoor
1(L)
1(L)
2(N)
2(N)
3
3
NO
YES
* MPS units start at three minutes after main power turning on.
00
No Error
ON
01
Indoor Room themistor error
1time
OFF
02
Indoor in-piping sensor error
2times
OFF
03
Remote controller error
3times
OFF
04
Drain Pump error
4times
OFF
05
Communcation error between in and out
5times
OFF
06
Indoor Out-Piping sensor error
6times
OFF
07
Differnt mode operation
7times
OFF
Summary of Contents for ABNH186HLAC
Page 85: ...Service Manual 89 MPS Variable SINGLE A 4 Wiring Diagrams AUUH126C AUUH186C ...
Page 87: ...Electronic Control Device Service Manual 91 MPS Inverter SINGLE A AUUH368C AUUH488C ...
Page 88: ...92 Universal System Air Conditioner MPS Variable SINGLE A AUUH608C ...
Page 107: ...Electronic Control Device Service Manual 111 Ceiling Duct Type BH Series ...
Page 108: ...Electronic Control Device 112 Universal System Air Conditioner BG BR Series ...
Page 109: ...Electronic Control Device Service Manual 113 VE Series AC DC Ceiling Floor C ...
Page 110: ...Electronic Control Device 114 Universal System Air Conditioner VB VK VL Series ...
Page 113: ...Electronic Control Device Service Manual 117 Schematic Diagram Ceiling Duct Type ...
Page 134: ...Outdoor Units 138 Universal System Air Conditioner ...
Page 175: ...P No 3828A22009P Printed in Korea ...