NTI Trinity Tft285 - Page 72

Trinity │Installation and Operation Instructions Tft Series
72
Table 16-3 Hold and Lockout Codes
Code
Description
Note
51
Pump fault
Hold
52
Motor tachometer fault
Hold
53
AC inputs phase reversed
Lockout
54
Safety GVT model ID doesn’t match application’s model ID
Lockout
55
Application configuration data block CRC errors
Lockout
56-57
RESERVED
58
Internal fault: HFS shorted to IAS
Lockout
59
Internal fault: Mux pin shorted
Lockout
60
Internal fault: HFS shorted to LFS
Lockout
61
Anti short cycle
Hold
62
Fan speed not proved
Hold
63
LCI OFF
Hold
64
PII OFF
N/A
65
Interrupted Airflow Switch OFF
Hold
66
Interrupted Airflow Switch ON
Hold
67
ILK OFF
Hold
68
ILK ON
N/A
69
Pilot test hold
Hold
70
Wait for leakage test completion
Hold
71
Input power frequency mismatch
Lockout
72-77
RESERVED
78
Demand lost in run
Hold
79
Outlet high limit
Hold
80
DHW high limit
Disabled
81
Delta T limit
Hold / Lockout
82
Stack limit
Lockout
83
Delta T exchanger/outlet limit
Disabled
84
Delta T inlet/exchanger limit
Disabled
85
Inlet/Outlet inversion limit (See Table 17-1)
Hold
86
Exchanger/outlet inversion limit
Disabled
87
Inlet/exchanger inversion limit
Disabled
88
Outlet T-Rise limit (See Table 17-1)
Lockout
89
Exchanger T-rise limit
Disabled
90
Heat exchanger high limit
Disabled
91
Inlet sensor fault
Hold
92
Outlet sensor fault
Hold
93
DHW sensor fault
Hold
94
Header sensor fault
Hold
95
Stack sensor fault
Hold
96
Outdoor sensor fault
Hold
97
Internal fault: A2D mismatch
Lockout
98
Internal fault: Exceeded VSNSR voltage tolerance
Lockout
99
Internal fault: Exceeded 28V voltage tolerance
Lockout
100
Pressure sensor fault
Hold
101
Exchanger sensor fault
Disabled
102-104
RESERVED
105
Flame detected out of sequence
Hold / Lockout
106
Flame lost in MFEP
Lockout
107
Flame lost early in run
Lockout