Siemens LMV51 Series Basic Documentation page 149

19 # A C T Internal F ault A c tu ator
1 A C T Internal F ault A c tu ator
2 A C T Internal F ault A c tu ator
4 A C T Internal F ault A c tu ator
1 A 1 B U S lope too ste ep
O pe ra tion in P aram ete r S etting
1B # B U
M o de quit
1C # B U Ign itio n P os not defin ed
1 B U Ign itio n P os not defin ed
2 B U Ign itio n P os not defin ed
4 B U Ign itio n P os not defin ed
1D # B U
1 B U F ault R unning T im e A ir A c tuator
4 B U F ault R unning T im e A ux A c tuator
1 E # A C T S p e c ial P os n o t re a c h e d
1 A C T S p e c ial P os n o t re a c h e d
2 A C T S p e c ial P os n o t re a c h e d
3 A C T S pecial P os no t re ache d
4 A C T S p e c ial P os n o t re a c h e d
5 A C T S p e c ial P os n o t re a c h e d
6 A C T S p e c ial P os n o t re a c h e d
7 A C T S p e c ial P os n o t re a c h e d
21 - B U S afety Loo p o pen
Internal T em p L im iter h as
22 - B U
res p o n d e d
Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 13 Addendum 1: List of error messages of LMV51... system
B as ic u nit (F A R C ) h a s d e tec te d a fa u lt w h e n
co m pa ring po te ntiom eter cha nne ls A and B . T h e
d ia g n o s tic c o d e ind ic a tes th e a c tu a to r o n w h ic h
the fa u lt o c c u rre d (s e e d ia g n o s tic c o d e )
A ir actuator is fau lty w hen co m pa ring
p otentio m eter chann els A an d B
A c tive fuel a c tu ato r is faulty w h en com parin g
p otentio m eter chann els A an d B
A ux ilia ry a c tua to r is fa u lty w he n c o m p a ring
p otentio m eter chann el A w ith B
S lope of a curve sec tion is too ste ep
P rogram m ing m o de in P hase 62 is still active an d
the requ ired po sitio ns (no rm al o peratio n) ha ve not
b een reach ed
T he re levant ign itio n p ositions a re n ot
p aram e te rized
Ign itio n p ostitio n of air actuator
Ign itio n p os titio n o f a c tiv e fu e l a c tu a to r is n o t
p aram e te rized
Ign itio n p os itio n o f a ux iliary a c tu a to r is n o t
p aram e te rized
R un nin g tim e fault of ac tua to rs
R un nin g tim e fault of air a c tu ato r
R un nin g tim e fault of au xiliary actuator
B as ic u nit h a s d e te c ted th a t o n e o r s e veral
a c tu a to rs h a ve n o t rea c h e d th e s p e c ial p os itio n
a s s o c ia te d w ith the p h a s e
P o s ition in g fa u lt o f a ir a c tu a to r
P o s ition in g fa u lt o f g as a c tu a to r
P osition ing fault of a ir actu ator a n d fue l ac tuato r
P o s ition in g fa u lt o f a ux ilia ry a c tu a to r
P osition ing fault of a uxiliary actua tor a nd air
a c tu ato r
P osition ing fault of a uxiliary actua tor a nd fu el
a c tu ato r
P os itio n ing fa u lt o f a ux ilia ry a c tu a to r, a ir a c tua to r
a nd fu el actuator
S afety lo op ope n
Intern a l tem pe ra tu re lim iter h as c u t o u t s in c e the
p aram e te rized v a lu e h a s b e e n e x c e e d e d
If fa ult o c cu rs s po ra d ic ally: Im p rove E M C
If fa u lt o c c u rs p e rm a n e n tly: R ep la c e the res p e c tive a c tua to r (s e e d ia g n o s tic
c o d e )
C he c k th e c u rve 's d a ta . If, b e tw e e n 2 c u rve p o in ts , th e s lo p e e x c e e d s
- 3.6 ° p er 0 .1 % (30 -s ram p )
- 1.8 ° p er 0 .1 % (60 -s ram p )
- 0.9° p er 0.1 % (12 0-s ram p)
o utp ut c h ang e -> C ha ng e ou tpu t as s ig nm ent of th e c urvepo in ts s uc h that the
a b o ve c o n d itio n w ill b e s a tis fied
W hen setting the curve pa ra m eters , the plant should be op erate d w ith « B u rne r
o n» in m anu al op eration . T his p re vents the load co ntroller fro m triggering th e
c h a n g e to s h u td o w n . If th e T L res p o n d s , th e e ffec t c a n b e the s a m e, h o w e ve r,
b ut the value c urren tly han dle d (c u rve p oint) c an s till be s a ve d in s tan dby o r
loc k ou t
S et the ign ition p os ition s
It m ay b e n ec e s s a ry to d e a c tivate th e a u x iliary a c tua to r th a t is n ot re q u ire d
C he ck ac tu ators for m ec h anica l o ve rlo ad, o r repla c e th e fau lty ac tuator
If fau lt oc c u rs s po ra d ic ally: Im prove E M C
If fa u lt o c c u rs p e rm a n e n tly: R ep la c e the res p e c tive a c tua to rs (s e e d ia g n o s tic
c o d e )
149/157
CC1P7550en
29.05.2002