Ts Series Installation and Operation Instructions │Trinity Ts
59
Table 16-3 Hold and Lockout Codes
Code Description Note
49 24VAC voltage low/high Hold
50 Modulation fault Hold
51 Pump fault Hold
52 Motor tachometer fault Hold
53 AC inputs phase reversed Lockout
54-57 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
71-77 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
83-84 RESERVED
85 Inlet/Outlet inversion limit (See Table 16-1) Hold
86-87
RESERVED
88 Outlet T-Rise limit (See Table 16-1) Lockout
89-90 RESERVED
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
101-104 RESERVED
105 Flame detected out of sequence Hold / Lockout
106 Flame lost in MFEP Lockout
107 Flame lost early in run Lockout
108 Flame lost in run Lockout
109 Ignition failed Lockout
110 Ignition failure occurred Hold
111 Flame current lower than WEAK threshold Hold
112 Pilot test flame timeout Lockout
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