Falcon Alert, Hold, Lockout Codes Appendix D
D-4
39 Internal fault: Safety Key 7 Lockout
40 Internal fault: Safety Key 8 Lockout
41 Internal fault: Safety Key 9 Lockout
42 Internal fault: Safety Key 10 Lockout
43 Internal fault: Safety Key 11 Lockout
44 Internal fault: Safety Key 12 Lockout
45 Internal fault: Safety Key 13 Lockout
46 Internal fault: Safety Key 14 Lockout
47 Flame rod to ground leakage Hold
48 Static flame (not flickering) Hold
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 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 Hold / Lockout
65 Interrupted Airflow Switch OFF Hold / Lockout
66 Interrupted Airflow Switch ON Hold / Lockout
67 ILK OFF Hold / Lockout
68 ILK ON Hold / Lockout
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 / Lockout
80 DHW high limit Hold / Lockout
81 Delta T inlet/outlet limit Hold / Lockout
82 Stack limit Hold / Lockout
83 Delta T exchanger/outlet limit Hold / Lockout
84 Delta T inlet/exchanger limit Hold / Lockout
85 Inlet/outlet inversion limit Hold / Lockout
86 Exchanger/outlet inversion limit Hold / Lockout
87 Inlet/exchanger inversion limit Hold / Lockout
Table D-1 Falcon Holds and Lockouts (Continued)
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