Siemens LMV5 Series Technical Instructions page 231

Error Diag.
Device Display
Code Code
01 01
Any #
01
02
03
02
04
05
06
07
Any #
01
Internal Fault
LMV5
02
Basic Unit
03
05
10
03
11
12
40
41
42
43
44
04 -
Section 7
7-3: Complete Error Code List
Meaning for the LMV5x System
Fault with Base Unit (LMV5)
ROM error
RAM error
RAM error in register bank 0 (LMV51...)
RAM error in IDATA area (LMV51...)
RAM error in XDATA area (LMV51...)
RAM error of variables used
RAM error variable consistency
RAM error reading back test pattern
Error RAM test code run
Error in connection with data comparison (internal
communication) between µC1 and µC2
Timeout during program run synchronization prior to data
transmission
Timeout during data transmission
CRC error during data transmission
Timeout during program run synchronization with initialization
Error counter "Flame intensity outside tolerance" has elapsed
Error counter "Target phase unequal" has elapsed
Error counter "Reset-lockout input unequal" has elapsed
Fuel train unequal
Relay control word unequal
ROM-CRC signature unequal
Phase unequal
(Key + main loop counter) unequal
Unsuccessful synchronization of the 2 µCs
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Corrective Action
If fault occurs sporadically, reduce electrical noise.
If fault occurs continously, replace LMV5.
Check flame detector signal. If ok, and fault re-occurs,
replace LMV5
If fault occurs continously, replace LMV5.
SCC Inc.