Airwell CKD 036, Service Manual

Page: 82 / 122

13-7
TROUBLESHOOTING
SM CKDDCI 2-A.3 GB
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 0 0 1 1 1
8 OAT is shorted 0 1 0 0 0
9 OMT is disconnected 0 1 0 0 1
10 OMT is shorted 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 to IDU 1 0 0 0 1
18 No Communication to Driver 1 0 0 1 0
19 Current sensor Fault 1 0 0 1 1
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 OFAN_UP error 1 1 0 0 0
25 OFAN_DN error 1 1 0 0 1
26 Compressor Lock 1 1 0 1 0
27 Bad Communication 1 1 0 1 1
28 High pressure protection 1 1 1 0 0
29 Low pressure protection 1 1 1 0 1
30 Reserved 1 1 1 1 0
31 Reserved 1 1 1 1 1
1 - ON, 0 - OFF
Only one code is shown. Order of priority is lower to the higher number. Diagnostics is continuously
ON as long power is on.