Ace Heating Solutions Atlas A050 Operating And Maintenance Manual page 108

69 Modulation was overridden due to sensor fault
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
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 (< 4% or 40 RPM)
101 DHW max modulation rate was invalid, % vs. RPM
102 DHW max modulation rate was > absolute max rate
103 DHW modulation range (max minus min) was too small (< 4% or 40 RPM)
104 Min modulation rate was < absolute min rate
105 Min modulation rate was invalid, % vs. RPM
106 Manual rate was invalid, % vs. RPM
107 Slow start enabled, but forced rate was invalid
108 Analog output hysteresis was invalid
109 Analog modulation output type was invalid
110 IAS open rate differential was invalid
111 IAS open step rate was invalid
115 Fan was limited to its minimum duty cycle
116 Manual rate was > CH max modulation rate
117 Manual rate was > DHW max modulation rate
118 Manual rate was < min modulation rate
119 Manual rate in Standby was > absolute max rate
120 Modulation commanded rate was > CH max modulation rate
121 Modulation commanded rate was > DHW max modulation rate
122 Modulation commanded rate was < min modulation rate
123 Modulation rate was limited due to outlet limit
124 Modulation rate was limited due to Delta-T limit
125 Modulation rate was limited due to stack limit
126 Modulation rate was limited due to anti-condensation
127 Fan Speed out of range in RUN
128 Modulation rate was limited due to IAS was open
129 Slow start ramp setting of zero will result in no modulation rate change
131 CH demand source was invalid
132 CH P-gain was invalid
133 CH I-gain was invalid
134 CH D-gain was invalid
135 CH OFF hysteresis was invalid
136 CH ON hysteresis was invalid
137 CH sensor type was invalid
138 CH hysteresis step time was invalid
139 CH remote control parameter was invalid
140 CH ODR not allowed with remote control
146 CH control was suspended due to fault
147 CH header temperature was invalid
148 CH outlet temperature was invalid
149 CH steam pressure was invalid
157 DHW demand source was invalid
158 DHW P-gain was invalid
159 DHW I-gain was invalid
160 DHW D-gain was invalid
161 DHW OFF hysteresis was invalid
162 DHW ON hysteresis was invalid
163 DHW hysteresis step time was invalid
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