Airwell PNX DCI Nordic, Руководство по обслуживанию

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12-5
TROUBLESHOOTING
SM PNXDCI 1-A.1 GB
12.3.3 Outdoor Unit Diagnosits
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 Indoor / Outdoor unit 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
30 Outdoor Coil Overheating 1 1 1 1 0
31 Operation Condition Is Exceeded 1 1 1 1 1
1 - ON
0 - OFF
Only one code is shown. Order of priority is 1-31. Diagnostics is continuously ON as long power is
on.
12.3.4 Outdoor Unit Diagnostics and Corrective Actions
No Fault Probable Cause Corrective Action
1
Sensors failures of all
types Check sensors connec-
tions or replace sensors.
2 IPM Fault
Electronics HW prob-
lem
Check all wiring and
jumper settings, if OK,
replace electronics.
3 Bad EEPROM
No action, unless special
parameters are required
for unit operation.