12-5
TROUBLESHOOTING
Revision Y05-02
Service Manual - K DCI
12.3.3
Outdoor unit Diagnostics
No
Problem
5
4
3
2
1
1
OCT is disconnected
0
0
0
0
1
2
OCT is shorted
0
0
0
1
0
3
CTT is disconnected
0
0
0
1
1
4
CTT is shorted
0
0
1
0
0
5
HST is disconnected (when enabled)
0
0
1
0
1
6
HST is shorted (when enabled)
0
0
1
1
0
7
OAT is disconnected (when enabled)
0
0
1
1
1
8
OAT is shorted (when enabled)
0
1
0
0
0
9
TSUC is disconnected (when enabled)
0
1
0
0
1
10
TSUC is shorted (when enabled)
0
1
0
1
0
11
IPM Fault
0
1
0
1
1
12
Bad EEPROM
0
1
1
0
0
13
DC under voltage
0
1
1
0
1
14
DC over voltage
0
1
1
1
0
15
AC under voltage
0
1
1
1
1
16
IDU/ODU Communication mismatch
1
0
0
0
0
17
No Communication
1
0
0
0
1
18
Reserved
1
0
0
1
0
20
Heat sink Over Heating
1
0
1
0
0
21
Deicing
1
0
1
0
1
22
Compressor Over Heating
1
0
1
1
0
23
Compressor Over Current
1
0
1
1
1
24
No OFAN Feedback
1
1
0
0
0
25
OFAN locked
1
1
0
0
1
26
Compressor Lock
1
1
0
1
0
27
Bad Communication
1
1
0
1
1
1 – ON,
0 – OFF
Only one code is shown. Order of priority is 1-24. Diagnostics is continuously ON as long
power is on.
CONTENTS
CONTENTS
Summary of Contents for K 25 DCI INV
Page 71: ...FRANCAIS ENGLISH DEUTSCH ESPANOL ITALIANO APPENDIX A...
Page 72: ...ENGLISH APPENDIX A...
Page 73: ...2 3 5 6 APPENDIX A...
Page 76: ...3 APPENDIX A...
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Page 78: ...5 OR Latch E F G C B A D APPENDIX A...
Page 79: ...6 APPENDIX A...
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