Err
or code
Diagnostic code
Meaning for the LMV37.4... system
Remedy
146
#
Timeout building automation interface
Refer to User Documentation Modbus (A7541)
1
Modbus timeout
150
#
TÜV test
1 (-1)
Invalid phase
TÜV test may only be started in phase 60 (oper
ation)
2 (-2)
TÜV test default output too lo
w
TÜV test default output must be lo
wer than the lo
wer output limit
3 (-3)
TÜV test default output too high
TÜV test default output must be higher than the upper output lim
it
4 (-4)
Manual abortion
No err
or: Manual abortion of TÜV test b
y the user
5 (-5)
TÜV test timeout
No loss of flame after fuel valves have been shut
1. Check for e
xtr
aneous light
2. Check wiring for short-cir
cuit
3. Check to see if one of the valves is leaking
165
#
Internal err
or
166
0
Internal err
or watchdog r
eset
167
#
Manual locking
Unit has been manually locked (no err
or)
1
Manual locking b
y contact
2
Manual locking b
y AZL2...
3
Manual locking b
y PC softwar
e
8
Manual locking b
y the AZL2...
Timeout / communication br
eakdo
wn
During a curve adjustment via the AZL2..., the timeout for menu o
per
ation has
elapsed (setting via par
ameter 127), or communication between the LMV37.4...
and the AZL2... has br
oken do
wn
9
Manual locking b
y the PC softwar
e
Communication br
eakdo
wn
During a curve adjustment via the A
CS410, communication between the
LMV37.4... and the A
CS410 was interrupted for mor
e than 30 seconds
33
Manual locking after PC softwar
e
reset attempt
PC softwar
e made a r
eset attempt although the system worked corr
ectly
168
#
Internal err
or management
Make a r
eset; if err
or occurs r
epeatedly
, r
eplace the unit
169
#
Internal err
or management
Make a r
eset; if err
or occurs r
epeatedly
, r
eplace the unit
170
#
Internal err
or management
Make a r
eset; if err
or occurs r
epeatedly
, r
eplace the unit
171
#
Internal err
or management
Make a r
eset; if err
or occurs r
epeatedly
, r
eplace the unit
200 OFF
#
System err
or-fr
ee
No err
or
201
OFF UPr
#
Start pr
e
vention
Start pr
evention due to unpar
ameterized unit
Go to err
or history
, entry 702, for initial cause of the err
or with shutdo
wn in
connection with the first curve settings
Summary of Contents for STG 146i/2
Page 34: ...34 Bentone 6 2 Wiring diagram...
Page 123: ......
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