NeoTherm Boilers and Water Heaters
Page 115
Code Description
L or
H
Procedure
221
Unconfigured DHW (Domestic Hot
Water) high limit setpoint setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
222
Unconfigured Outlet high limit setpoint
setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
223
Unconfigured Stack limit setpoint
setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
224
Invalid DHW (Domestic Hot Water)
demand source setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
225
Invalid Flame threshold setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
226
Invalid Outlet high limit setpoint setting L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
227
Invalid DHW (Domestic Hot Water)
high limit setpoint setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
228
Invalid Stack limit setpoint setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
229
Invalid Modulation output setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
230
Invalid CH (Central Heat) demand
source setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
231
Invalid Delta T limit delay setting
L
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
Summary of Contents for NTV1000
Page 2: ......
Page 35: ...NeoTherm Boilers and Water Heaters Page 31 Fig 20 Ladder Diagram...
Page 36: ...LAARS Heating Systems Page 32 Fig 21 Wiring Diagram...
Page 37: ...NeoTherm Boilers and Water Heaters Page 33...
Page 51: ...NeoTherm Boilers and Water Heaters Page 47 Fig 52 Connection Terminals...
Page 130: ...LAARS Heating Systems Page 126 Fig 140 Machine Frame and Rear Panel 13 3 PARTS ILLUSTRATIONS...
Page 131: ...NeoTherm Boilers and Water Heaters Page 127 Fig 141 Front Panel and Covers...
Page 132: ...LAARS Heating Systems Page 128 Fig 142 Burners and Combustion Chambers...
Page 134: ...LAARS Heating Systems Page 130 Fig 145 Electronic Components...
Page 135: ...NeoTherm Boilers and Water Heaters Page 131 Fig 146 Condensate Trap Fig 147 Control Bezel...
Page 136: ...LAARS Heating Systems Page 132 Fig 148 Flow Switch...
Page 137: ...NeoTherm Boilers and Water Heaters Page 133 This page intentionally left blank...