122 Multi type Air Conditioner
Troubleshooting Guide
9) Troubleshooting CH26, CH27
E
C
B
E
C
B
E
C
B
26
27
DC Compressor
Position
PSC Fault
• Compressor
position detect error
• Over current at “IGBT”
• Check the connection of comp wire “U,V,W”
• Malfunction of compressor
• Check the component of “IPM”, detection parts.
• Check the component of “IGBT” .
• Check the components.
Display
code
Title
Cause of error
Check point & Normal condition
Check Point
• CH 26
1. Check the connection of “U,V,W”
2. Check the insulation of IPM part.
3. Check the compressor. (same with CH21)
• CH 27
1. Check the component of “IGBT”
2. Check the components
(IGBT, R04S, NF1, BD02S)
Summary of Contents for L8UC100BFA0
Page 92: ...92 Multi type Air Conditioner Schematic Diagram 2 Outdoor Unit 1 L8UC100BFA0 L8UH100BFA0 ...
Page 95: ...Service Manual 95 L8UH100BFA0 L8UC100BFA0 Schematic Diagram 2 Outdoor Unit ...
Page 97: ...Service Manual 97 2 Duct Type High static BH BG BE chassis Schematic Diagram ...
Page 98: ...98 Multi type Air Conditioner Schematic Diagram Low static BT BT1 chassis ...
Page 99: ...Service Manual 99 4 way TE TF TD chasis 58 B Schematic Diagram ...
Page 100: ...100 Multi type Air Conditioner Schematic Diagram 2 Display ASSEMBLY 1 Split Type ...
Page 153: ...P No 3828A22009L October 2005 Printed in Korea ...