Code Value Code Value
63 0
64 1
65 2
66 3
67 4
68 5
69 6
70 7
71 8
72 9
73 10
74 11
75 12
76 13
77 14
78 15
79 16
80 17
81 18
82 19
83 20
84 21
85 22
86 23
87 24
88 25
89 26
90 27
91 28
92 29
93 30
94 31
95 32
96 33
97 34
98 35
99 36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
VSD Run Signal Fault
High Discharge Pressure (Hardware - HPCO)
Low Suction Superheat
Low Discharge Superheat
Control Voltage Fault
High Motor Current
Motor Current Overload (Software)
IGBT Gate Driver Fault
High Baseplate Temperature
Single Phase Input (System, Frame E/F)
High DC Bu
s Voltage (System, Frame E/F)
Low DC Bus Voltage (System, Frame E/F)
DC Bus Voltage Imbalance (System, Frame E/F)
Eductor Clog Fault
Sensor Failure
Low Motor Current
High Motor Temperature
Pre-charge Low DC Bus Voltage (System, Frame E/F)
Pre-charge DC Bus Voltage Imbalance (System, Frame E/F)
Motor Current Limiting CT Plug Fault
ISN Input Current Limiting
Remote Input Current Limiting
Pulldown Input Current Limiting
Input Current Limiting High Discharge Temperature
High Discharge Pressure (Software)
High Differen
tial Oil Pressure
Low Differential Oil Pressure
Low Suction Pressure
Free Cooling
ISN/BAS Motor Current Limiting
Remote Motor Current Limiting
System Not Running
System Running
Remote Sound Limiting
Pulldown Motor Current Limiting
Cooling Demand Shutdown
System Shutting Down
VSD Pre-Charging
VSD Baseplate Temp Limiting
VSD Internal Ambient Temp Limiting
Sound Limiting
ISN Sound Limiting
VSD Logic Board Fault
Motor Current Overload (Hardware)
Discharge Pressure Limiting
Suction Pressure Limiting
No Run Permissi
ve Low DC Bus Voltage (Unit)
Anti-Recycle Timer Active DC Bus Voltage Imbalance (Unit)
System Switch OFF High VSD Ambient Temperature
Single Phase Input (Unit)
VSD Power Supply Fault
VSD Communications Failure
Pre-charge Low DC Bus Voltage (Unit)
Pre-charge DC Bus Voltage Imbalance (Unit)
High DC Bus Voltage (Unit)
Flow Switch Shutdown
VSD Cooling Shutdown
Serial Number Shutdown
Discharge Superheat Recovery
VSD Initialization Failure
Low RTC Battery Voltage
Invalid Number of Compressors Selected
Manual Override No Fault Code
Lo
w Ambient Temperature
High Ambient Temperature
Daily Schedule Shutdown
Unit Switch OFF
Fault/Inhibit CodeOperational Code
Remote Controlled Shutdown Low Chilled Liquid Temperature
YVAA YVFA YAGK Native 3 OCT 17
Property of Johnson Controls, Inc.
Subject to change without notice.
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