Service manual

13-18
CONTROL SYSTEM
SM DLF 1-A.1 GB
OUD Diagnostic Table
AO - Alarm output
No Problem AO 5 4 3 2 1
1 OCT is disconnected Yes 0 0 0 0 1
2 OCT is shorted Yes 0 0 0 1 0
3 CTT is disconnected Yes 0 0 0 1 1
4 CTT is shorted Yes 0 0 1 0 0
5 HST is disconnected (when enabled) Yes 0 0 1 0 1
6 HST is shorted (when enabled) Yes 0 0 1 1 0
7 OAT is disconnected (when enabled) Yes 0 0 1 1 1
8 OAT is shorted (when enabled) Yes 0 1 0 0 0
9 TSUC is disconnected (when enabled) Yes 0 1 0 0 1
10 TSUC is shorted (when enabled) Yes 0 1 0 1 0
11 IPM Fault Yes 0 1 0 1 1
12 Bad EEPROM No 0 1 1 0 0
13 DC under voltage Yes 0 1 1 0 1
14 DC over voltage Yes 0 1 1 1 0
15 AC under voltage Yes 0 1 1 1 1
16 Mismatch IDU & ODU models
(*SW 35V14 and above) Yes10000
17 No Communication Yes 1 0 0 0 1
18 Reserved No 1 0 0 1 0
20 Heat sink Over Heating No 1 0 1 0 0
21 Deicing No 1 0 1 0 1
22 Compressor Over Heating No 1 0 1 1 0
23 Compressor Over Current No 1 0 1 1 1
24 No OFAN Feedback No 1 1 0 0 0
25 OFAN locked Yes 1 1 0 0 1
26 Compressor Lock Yes 1 1 0 1 0
27 Bad Communication No 1 1 0 1 1
28 Missing ODU configuration
(*SW 35V14 and above) Yes11100
29 Undefined ODU Model
(*SW 35V14 and above) Yes11101
30 For future use No 1 1 1 1 0
31 Operation condition is exceeded
(*SW 35V14 and above) Yes11111
*Alarm Output - is on SW 35V14 and above. There is no alarm on SW 35V12 and below/
● Unit ON Output
The ‘On/Off status’ dry contact will be on (closed), when the indoor mode is not STBY.
If the indoor mode is STBY mode, the ‘On/Off status’ will be off (open).
● PD/PS(Presence Detector/Power Shedding)
Function Contact=open Contact=short
J9=open Presence Detector Connection Last Mode Force to STBY
J9=short Power Shedding Function No limit Limit NLOAD
CONTENT