287
JOHNSON CONTROLS
FORM 201.21-NM4 (616)
287
JOHNSON CONTROLS
8
ISN OPERATIONAL STATUS CODES
TABLE 28 contains the operational status code with its
associated meaning to be used for decoding ISN Opera-
tional Codes on Pages 56 and 58 in Table 26.
The table also classifies each status as a unit or system
type and lists which board (Chiller Control Board (panel)
or VSD logic board) generates the status condition.
TABLE 28 - OPERATIONAL STATUS CODES
CODE
TYPE
SOURCE
FAULT or INHIBIT CODES
63
Unit
Panel
Manual Override
64
Unit
Panel
Daily Schedule Shutdown
65
Unit
Panel
Unit Switch OFF
66
Unit
Panel
Remote Controlled Shutdown
67
Unit
Panel
Loss of External Communications
68
Unit
Panel
Flow Switch Shutdown
69
Unit
Panel
VSD Cooling Shutdown
70
Unit
-
SPARE 1
71
Unit
-
SPARE 2
72
Unit
-
SPARE 3
73
Unit
-
SPARE 4
74
System
Panel
No Run Permissive
75
System
Panel
Anti-Recycle Timer Active
76
System
Panel
System Switch OFF
77
System
Panel
System Not Running
78
System
Panel
System Running
79
System
Panel
Discharge Pressure Limiting
80
System
Panel
Suction Pressure Limiting
81
System
Panel
Motor Current Limiting
82
System
Panel
Motor Temperature Limiting
83
System
Panel
ISN Motor Current Limiting
84
System
Panel
Remote Motor Current Limiting
85
System
Panel
System Pumping Down
86
System
VSD
VSD Pre-charging
87
System
Panel
VSD Baseplate Temperature Limiting
88
System
Panel
VSD Internal Ambient Temperature Limiting
89
System
Panel
Sound Limiting
90
System
Panel
ISN Sound Limiting
91
System
Panel
Remote Sound Limiting
92
System
Panel
Pulldown Motor Current
93
System
-
SPARE 7
94
System
-
SPARE 8
95
System
-
SPARE 9
96
System
-
SPARE 10
