Slant/Fin CHS-399 - Manual (Page 76)

Slant Fin Corp. │ Installation and Operation Instructions CHS Series
76
Table 15-4 Alert Codes
Code Description
50 Maximum hours count was reached
51 Illegal Modbus write was attempted
52 Modbus write attempt was rejected (NOT ALLOWED)
53 Illegal Modbus read was attempted
54 Safety processor brown-out reset occurred
55 Application processor watchdog reset occurred
56 Application processor brown-out reset occurred
57 Safety processor watchdog reset occurred
58 Alarm was reset by the user at the control
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 (non-firing) was > absolute max rate
64 Burner control rate (non-firing) was < absolute min rate
65 Burner control rate (non-firing) was absent
66 Burner control rate (non-firing) was invalid, % vs. RPM
67 Fan off cycle rate was invalid, % vs. RPM
68 Set point was over ridden due to sensor fault
69 Modulation was over ridden due to sensor fault
70 No demand source was set due to demand priority conflicts
71 CH 4-20mA signal was invalid.
72 Flame strength rate differential was invalid
73 Flame strength step rate was invalid
74 Periodic forced recycle
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
82-83 RESERVED
84 Lead Lag CH 4-20mA water temperature setting was invalid
85 No Lead Lag add stage error threshold was configured
86 No Lead Lag add stage detection time was configured
87 No Lead Lag drop stage error threshold was configured
88 No Lead Lag drop stage detection time was configured
89 Lead Lag all boiler off threshold was invalid
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 set point fault
98 CH max modulation rate was invalid, % vs. RPM
99 CH max modulation rate was > absolute max rate