Johnson Controls DHPM09NWM42Q1 Installation Manual page 30

TABLE 13: Led Status Codes (Continued)
19 Defrosting
20 Oil return
21 Complete unit frequency restriction protection
22 Complete unit frequency dropping protection
23 Unit A frequency restriction or frequency dropping protection
24 Unit B frequency restriction or frequency dropping protection
25 Unit C frequency restriction or frequency dropping protection
26 Unit D frequency restriction or frequency dropping protection
27 Outdoor ambient temperature sensor protection
28 Outdoor tube temperature sensor protection
29 Discharge temperature sensor protection
30 IPM thermal resistance malfunction
31 Unit A liquid pipe temperature sensor malfunction
32 Unit A gas pipe temperature sensor malfunction
33 Unit B liquid pipe temperature sensor malfunction
34 Unit B gas pipe temperature sensor malfunction
35 Unit C liquid pipe temperature sensor malfunction
36 Unit C gas pipe temperature sensor malfunction
37 Unit D liquid pipe temperature sensor malfunction
38 Unit D gas pipe temperature sensor malfunction
39 Unit A mode conflict
40 Unit B mode conflict
41 Unit C mode conflict
42 Unit D mode conflict
43 Communication failurewith Unit A
44 Communication failurewith Unit B
45 Communication failurewith Unit C
46 Communication failurewith Unit D
47 Unit A freeze protection
48 Unit B freeze protection
49 Unit C freeze protection
50 Unit D freeze protection
51 Unit A overheating prevention protection
52 Unit B overheating prevention protection
53 Unit C overheating prevention protection
54 Unit D overheating prevention protection
55 Unit A communicationwire misconnection or expansion valve malfunction
56 Unit B communicationwire misconnection or expansion valve malfunction
57 Unit C communicationwire misconnection or expansion valve malfunction
58 Unit D communicationwire misconnection or expansion valve malfunction
Subject to change without notice. Published in U.S.A.
Copyright © 2012 by Johnson Controls, Inc. All rights reserved.
York International Corp.
5005 York Drive
Norman, OK 73069
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898150-UIM-B-0113
Supersedes: 898150-UIM-A-1112
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