750-265 90
36 PIM incompatible with product was inserted into socket
37 PIM application parameter revision differs from application processor
38 PIM safety parameter revision differs from safety processor
39 PCB incompatible with product contained in PIM
40 Parameter PCB in PIM is too large for product
41 Range PCB in PIM is too large for product
42 Alert PCB in PIM is too large for product
43 RESERVED
44 Low voltage was detected in safety processor
45 High line frequency occurred
46 Low line frequency occurred
47 Invalid subsystem reset request occurred
48 Write large enumerated Modbus register value was not allowed
49 Maximum cycle count was reached
50 Maximum hours count was reached
51-58 RESERVED
59 Burner control firing rate was > absolute max rate
60 Burner control firing rate was < absolute min rate
61 Burner control firing rate was invalid, % vs. RPM
62 Burner control was firing with no fan request
63 Burner control rate (nonfiring) was > absolute max rate
64 Burner control rate (nonfiring) was < absolute min rate
65 Burner control rate (nonfiring) was absent
66 Burner control rate (nonfiring) was invalid, % vs. RPM
67-74 RESERVED
75 Absolute max fan speed was out of range
76 Absolute min fan speed was out of range
77 Fan gain down was invalid
78 Fan gain up was invalid
79 Fan minimum duty cycle was invalid
80 Fan pulses per revolution was invalid
81 Fan PWM frequency was invalid
82-89 RESERVED
90 Modulation output type was invalid
91 Firing rate control parameter was invalid
92 Forced rate was out of range vs. min/max modulation
93 Forced rate was invalid, % vs. RPM
94 Slow start ramp value was invalid
95 Slow start degrees value was invalid
96 Slow start was ended due to outlet sensor fault
97 Slow start was end due to reference setpoint fault
98 CH max modulation rate was invalid, % vs. RPM
99 CH max modulation rate was > absolute max rate
100 CH Modulation range (max minus min) was too small
101 DHW max modulation rate was invalid, % vs. RPM
102 DHW max modulation rate was > absolute max rate
Table 39. CB Falcon Alert Codes. (Continued)
Code Description Note
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