LAARS NeoTherm NTV1000 - Install and Operating Manual - Manual (Page 116)

LAARS Heating Systems
Page 112
Code Description L or
H
Procedure
178 Safety relay ON at safe start check L Internal Fault.
1. Reset module.
2. If fault repeats, replace module.
184 Invalid BLOWER/ HSI 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.
185 Invalid Delta T limit enable 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.
186 Invalid Delta T limit response 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.
187 Invalid DHW (Domestic Hot Water)
high limit enable 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.
188 Invalid DHW (Domestic Hot Water)
high limit response 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.
189 Invalid flame sensor type 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.
192 Invalid igniter on during 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.
193 Invalid ignite failure 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.
194 Invalid ignite failure response 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.\
195 Invalid ignite failure retries 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.