Laars NEOTHERM NTH Series, Инструкция по установке и эксплуатации

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Page 74
LAARS Heating Systems
APPENDIX B
ERROR MESSAGES
This table includes a listing of the faults that might be generated by the controller, and displayed on the Operator
Interface. Some of these can be corrected by an installer changing a parameter, while other conditions are more
complicated, and will require a service technician.
The first column lists the code number that will appear at the beginning of the Lockout or Hold message. The second
column lists a short description of the condition. The third column shows whether the condition will cause a Hold, or
Lockout, or both. The fourth column lists some suggestions for corrective action.
Code Description L or H Procedure
1
Unconfigured safety data
L
1. New device, complete device configuration and safety
verification.
2. If fault repeats, replace module.
2. Waiting for safety
data verification
L
1. Device in Configuration mode and safety parameters need
verification and a device needs reset to complete verification.
2. Configuration ended without verification, re enter
configuration, verify safety.
parameters and reset device to complete verification.
3. If fault repeats, replace module.
3 Internal fault:
Hardware fault
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
4 Internal fault:
Safety Relay key feedback error
H
5 Internal fault:
Unstable power (DC) output
H
6 Internal fault:
Invalid processor clock
H
7 Internal fault:
Safety relay drive error
H
8 Internal fault:
Zero crossing not detected
H
9 Internal fault:
Flame bias out of range
H
10 Internal fault:
Invalid burner control state
L
11 Internal fault:
Invalid burner control state flag
L
12 Internal fault:
Safety relay drive cap short
H
13 Internal fault:
PII (Pre-Ignition Interlock) shorted to ILK
(Interlock)
H or L
15 Internal fault:
Safety relay test failed due to feedback
ON
L
16 Internal fault:
Safety relay test failed due to safety relay
OFF
L
Table 22. Placeholder for Appendix B