NeoTherm Boilers and Water Heaters
Page 103
Code Description
L or
H
Procedure
11
Internal fault:
Invalid burner control state flag
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
12
Internal fault:
Safety relay drive cap short
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
13
Internal fault:
PII (Pre-Ignition Interlock) shorted to
ILK (Interlock)
H or
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
15
Internal fault:
Safety relay test failed due to feedback
ON
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
16
Internal fault:
Safety relay test failed due to safety
relay OFF
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
17
Internal fault:
Safety relay test failed due to safety
relay not OFF
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
18
Internal fault:
Safety relay test failed due to feedback
not ON
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
19
Internal fault:
Safety RAM write
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
20
Internal fault:
Internal fault: Flame ripple and overflow
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
21
Internal fault:
Flame number of sample mismatch
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
22
Internal fault:
Flame bias out of range
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
23
Internal fault:
Bias changed since heating cycle starts
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
24
Internal fault:
Spark voltage stuck low or high
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
25
Internal fault:
Spark voltage changed too much during
flame sensing time
H
Internal fault
1. Reset module
2. 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...
