Troubleshooting
SiUS042113E
120
Part 6 Service Diagnosis
4.21 Compressor System Sensor Abnormality
Error Code
H0
Method of Error
Detection
The system checks the DC current before the compressor starts.
Error Decision
Conditions
The voltage converted from the DC current before compressor start-up is out of the range 0.5 ~
4.5 V.
The DC voltage before compressor start-up is below 50 V.
Supposed
Causes
Broken or disconnected harness
Defective outdoor unit PCB
Troubleshooting
Caution
Be s
u
re to t
u
rn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
(R24613)
YES
T
u
rn off the power. Then, t
u
rn on
the power to restart the system.
YES
NO
Replace the harness.
Replace the o
u
tdoor
u
nit
PCB (main PCB).
Is the harness broken?
Restart
operation and error displayed
again?
Check the (relay) harness for the
compressor.
Not a malf
u
nction.
Keep observing.
Содержание FTXM-V Series
Страница 13: ...SiUS042113E Part 1 General Information 9 1 Applicable Models 10 2 Functions 11 Part 1 General Information...
Страница 16: ...SiUS042113E 12 Part 2 Specifications 1 Specifications 13 Part 2 Specifications...
Страница 96: ...Troubleshooting SiUS042113E 92 Part 6 Service Diagnosis Reference Check No 01 Refer to P 134...
Страница 147: ...SiUS042113E Check Part 6 Service Diagnosis 143 09 12 class 18 24 class 1 2 3 4 Multimeter R24538 1 2 3 4 Multimeter...
Страница 150: ...Check SiUS042113E 146 Part 6 Service Diagnosis 18 24 class R24539 DC DC W V U...
Страница 165: ...SiUS042113E Piping Diagrams Part 8 Appendix 161 1 2 Outdoor Unit RXM09 12VVJU RXM18VVJU 3D131979 3D132216...
Страница 166: ...Piping Diagrams SiUS042113E 162 Part 8 Appendix RXM24VVJU 3D132217...
Страница 171: ...SiUS042113E Operation Limit Part 8 Appendix 167 3 Operation Limit RXM09 12 18 24VVJU 3D133582A...
