Troubleshooting
SiBE041434E
87
Service Diagnosis
4.18 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 DC current before compressor start-up is out of the range 0.5 ~ 4.5 V (sensor output
converted to voltage value).
The DC voltage before compressor start-up is below 50 V.
Supposed
Causes
Broken or disconnected harness
Defective outdoor unit PCB
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
(R21434)
YES
Turn off the power. Then, turn on
the power to restart the system.
YES
NO
Replace the harness.
Replace the outdoor unit
PCB (main PCB).
Is the harness broken?
Restart operation
and error displayed
again?
Check the relay harness for the
compressor.
No problem.
Keep on running.
Содержание FTXM-K Series
Страница 16: ...SiBE041434E 1 List of Functions Part 1 List of Functions 1 Functions 2...
Страница 18: ...SiBE041434E 3 Specifications Part 2 Specifications 1 Specifications 4...
Страница 66: ...SiBE041434E 51 Remote Controller Part 5 Remote Controller 1 20 25 Class 52 2 35 42 50 Class 54...
Страница 122: ...Check SiBE041434E 107 Service Diagnosis 42 50 class R21204 W V U DC_P1 Power module DC_N1 Power module...
Страница 137: ...Revision History Month Year Version Revised contents 02 2015 SiBE041434E First edition...