ERROR CODES & PROBLEM SOLVING
PAGE 45
ENGLISH
Error Codes & Problem Solving
Table of Contents
Error Codes and Description Indoor Display ..................................................................................................................... 46
Indoor Unit Display ........................................................................................................................................................................ 46
Indoor AC Fan Motor Malfunction ..................................................................................................................................... 47
Indoor Unit Display ........................................................................................................................................................................ 47
E14
............................................................................................................................................................................
47
Outdoor DC Fan Motor Fault ............................................................................................................................................. 48
Outdoor Unit Display
.................................................................................................................................................................... 48
LED1 Flashes 9 Times
..............................................................................................................................................
48
IPM Protection ................................................................................................................................................................. 49
Outdoor Unit Display
.................................................................................................................................................................... 49
LED1 Flashes 2 Times
..............................................................................................................................................
49
Over-current of the Compressor ...................................................................................................................................... 49
Outdoor Unit Display
.................................................................................................................................................................... 49
LED1 Flashes 3 or 24 or 25 Times
...........................................................................................................................
49
The Communication Fault Between IPM and Outdoor PCB
................................................................................................ 50
Outdoor Unit Display
.................................................................................................................................................................... 50
LED1 Flash 4 Times
..................................................................................................................................................
50
Power Supply Too High or Too Low
................................................................................................................................... 51
Outdoor Unit Display
.................................................................................................................................................................... 51
LED1 Flashes 6 Times
..............................................................................................................................................
51
Overheat Protection for Discharge Temperature .............................................................................................................. 52
Outdoor Unit Display
.................................................................................................................................................................... 52
LED1 Flashes 8 Times
..............................................................................................................................................
52
Communication Fault Between Indoor and Outdoor Units
................................................................................................ 52
Indoor Unit Display ........................................................................................................................................................................ 52
E7
..............................................................................................................................................................................
52
Outdoor Unit Display
.................................................................................................................................................................... 52
LED1 Flashes 15 Times
............................................................................................................................................
52
Loss of Synchronism Detection ........................................................................................................................................ 53
Outdoor Unit Display
.................................................................................................................................................................... 53
LED1 Flashes 18 or 19 Times
..................................................................................................................................
53
Indoor Unit Overload in Heating Mode .............................................................................................................................. 53
Outdoor Unit Display
.................................................................................................................................................................... 53
LED1 Flashes 18 or 19 Times
..................................................................................................................................
53
Checking System Components
........................................................................................................................................ 54
Checking Outdoor Unit Components
............................................................................................................................... 54
Checking the Outdoor Unit Sensors
............................................................................................................................................ 54
Checking the Reversing Valve Coil
............................................................................................................................................... 54
Checking the DC Fan Motor
.......................................................................................................................................................... 54
Checking the EEV Stepper Motor
................................................................................................................................................. 54
Checking the PFC Reactor
............................................................................................................................................................ 54
Checking the Compressor Windings
............................................................................................................................................ 55
Checking Indoor Unit Components
................................................................................................................................... 55
Checking the Indoor Unit Sensors
................................................................................................................................................ 55
Checking the Up/Down Stepper Motor
....................................................................................................................................... 55
Checking the Left Stepper Motor
................................................................................................................................................. 55
Checking the Indoor DC Fan Motor
.............................................................................................................................................. 56
Summary of Contents for 1U09ES2VHA
Page 2: ... This page intentionally left blank ...
Page 6: ...INTRODUCTION PAGE 6 ENGLISH This page intentionally left blank ...
Page 18: ...REMOTE CONTROL FUNCTIONS PAGE 18 ENGLISH This page intentionally left blank ...
Page 34: ...SEQUENCE OF OPERATION PAGE 34 ENGLISH This page intentionally left blank ...
Page 58: ...REFERENCE INFORMATION PAGE 58 ENGLISH Outdoor Board Diagram ...
Page 61: ...REFERENCE INFORMATION PAGE 61 ENGLISH Indoor Board Diagram ...