User Guide

82
Service Manual NeoTherm 80 - NeoTherm 285
Appendix 1 - Error Codes (continued)
App1
cont.
Code Description L or H Procedure
11 Internal fault:
Invalid burner control state ag
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:
Flame ripple and overow
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
ame sensing time
H Internal fault
1. Reset module
2. If fault repeats, replace module.