LG LMN090HE Service Manual - Page 74

Multi type Air Conditioner, Troubleshooting Guide - error codes

Get LG LMN090HE PDF manuals and user guides View all LG LMN090HE manuals
Add to My Manuals
Save this manual to your list of manuals

Page 74 highlights

Troubleshooting Guide Error code Title 33 D-Pipe Temp. High Cause of error • Discharge sensor temp. high Check point & Normal condition • Check the discharge pipe sensor. • Check the install condition for over load. • Check the leakage of refrigerent. • Check the SVC V/V open. 115°C(239°F) 100°C(212°F) 95°C(203°F) COMP OFF LEV OPEN(16PULSE/MIN) LEV OPEN(10PULSE/MIN) NORMAL A3UH363FA0(LMU360HE)/A3UC363FA0(LMU360CE) ❑ Check Point 1. Check the install condition for over load. 2. Check the SVC V/V open. 3. Check the leakage of refrigerent. 4. Check the constant compressor. Error code Title 51 Capacitor error Cause of error Check point & Normal condition • Over Capacitor com- • Check the indoor unit capacity. bination • Check the combination table ❑ Check Point 1. Check the indoor unit capacity. 2. Check the combination table. 5 In the tropical model case ➔ single cycle has no error for over capacity. 74 Multi type Air Conditioner

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
74
Multi type Air Conditioner
Troubleshooting Guide
Error
Title
Cause of error
Check point & Normal condition
code
33
D-Pipe Temp. High
• Discharge sensor
temp. high
• Check the discharge pipe sensor.
• Check the install condition for over load.
• Check the leakage of refrigerent.
• Check the SVC V/V open.
Error
Title
Cause of error
Check point & Normal condition
code
51
Capacitor error
• Over Capacitor com-
bination
• Check the indoor unit capacity.
• Check the combination table
Check Point
1. Check the indoor unit capacity.
2. Check the combination table.
In the tropical model case
single cycle has no error for over capacity.
Check Point
1. Check the install condition for over load.
2. Check the SVC V/V open.
3. Check the leakage of refrigerent.
4. Check the constant compressor.
COMP OFF
LEV OPEN(16PULSE/MIN)
LEV OPEN(10PULSE/MIN)
NORMAL
A3UH363FA0(LMU360HE)/A3UC363FA0(LMU360CE)
115
°
C(239
°
F)
100
°
C(212
°
F)
95
°
C(203
°
F)