Service manual

12-5
TROUBLESHOOTING
Revision Y06-01
Service Manual - WNG/LEX DCI
 2XWGRRU XQLW 'LDJQRVWLFV
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 Feedb
ack
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.
CONTENT
WNG/LEX DCI