Tuxhorn tubra eTherm T, Assembly And Operating Instructions Manual

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951.20 .0 2.0 0
Stan d 01 /20 19 - 21 -
9 Ma lf un ct io ns , ca us es a nd t ro ub le sh oo ti ng
Tro ublesh ooti ng tab le tu bra
®
- eT herm T : If the re is a m alfun cti on o f t he e ntire sy ste m, it is
essentia l t o al so observ e the en erg y m ana gemen t di splay .
The op erati ng s tatus o f t he ci rcul ation pu mp is in dicated by an LE D.
Mal fun ction poss ible ca use Remed y
Pump noise Air in t he sy stem Blee d
Vol ume fl ow r ate
too low (
Δ
t t oo
hig h)
Insu ffi cien t w ater
pressure
Che ck pres sure, increa se i f ne cessary
Electr ical he ating el em ent
soiled /cal cifi ed
Clea n, de calci fy or rep la ce if necessa ry .
Dist ribu tion v alv e
soiled /bl ocked
Clea n dist ribu tion v alv e
Pump fau lty Rep lace pu mp
Dif feren tial con trol ler
fau lty
Che ck sen sor posi tion s an d fun cti on,
rep lace if ne cessary .
Tar get
tempe ratu re no t
rea ched
Inco rrect se tti ng on
dist ribu tor v alv e
Che ck set tin g
Ex pansi on el ement i n
dist ribu tor v alv e
defectiv e.
Rep lace di stri buto r v alv e.
Lock in g plate for S TB
mou nted i n wron g
posi tion a fter tes tin g
Mou nt pl ate for S TB loc k cor rectly
Hea ting el ement
not hea ting up
Ma xim um the rm ostat
tri pped
Che ck, co rre ct t he set tin g if need ed
ST B t ripp ed
Rese t ( red rese t bu tton in t he t erm ina l bo x)
If the S TB is tri pped , t he cau se m ust be
deter mine d by a spe cial ist tech nici an.
Aft erwards a co mpl ete in iti al st art- up
incl uding che ck in g al l f unct ion s is re qui red .
Boi ling no ises o f
the he ati ng
element
Electr ical he ating po wer
is swit ched on at v ery
hig h syst em te mpe ra ture s
by t he i nterna l t herm ost at
Set a m axim um bu ffer te mpe ra ture v ia t he
pow er el ectron ics