MTA DEOO3 Manual De Instrucciones Y Mantenimiento página 40

Enqlish
PROBLEII CAUSE SYMPTOM RETEDY
D2
The
compressed
air flow
and/or the
pressure are oul of
their rated limits
(see
notes
6')
See
A2
and
A3
D2.1
See A1.1
Reduce
the
compressed
air
flofl
and
pressure
to
within rated
limits
lf
neoessary, position
the
dryer
uPline
from
the air
receiver
or
increase the
caDacitv of
the air receiver.
E
Presence
of
condensate
downline
from dryer (unils with timed discharge
system (see notes 3')).
E1
Condensale
discharge
solenoid valve
coil
burnt out.
E1.1
The
condensate
and/or
cgmpressed
air are not
discharged
when
the
manual check button is
Dressed
Replace
the
condensate discharge
solenoid vahre coil.
E2
Blocked
filter
upline
from the
solenoid
valve
e..1
Very little condensate
is
discharged
when lhe valva oD€ns-
Close the valve before the
lilter
E3
Solendd valve opening lime loo short.
E3,1
The
condensate
conlinues
to
flolfi
when
the
manual check button
is
pressed
after a
programmed
discharoe
lncrease
the
solenoid
valve
opening
time.
E4
(see notes
1')
Solenoid valve dosino time
lm
lono
El.1
Se€ E3.1
Reduce the solencid
vahre
dosing time
(see notes 1').
E5
Solenoid valve oritice
blocked.
E5.1
See
El.1.
lsolate
the lilter from the
compressed
air
circuit, dismantle
the
solenoid
valve, d€an lhe crmponents and
re-
assemble the solendd
valw
(811
).
E6
The electrcnic board relay controlling
the solencid vahre doesn't
wort.
E6.l
Se€
E5.1
Use
a
tester
lo
check
that the
relay
contacis conlrolling
the solendd
valve
do
nol
close when
the
manual
discharge butlon is pressed.
lf
lhe
relay doesn't
work,
replace the
eleclronic board.
F
Presence
of
condensate
do\rnline
from lhe
dryer (units with "intelligenf
discharoe svslem (see noles
3'))
F1
Condensate discharge system fault.
F1.1
The
condensate
and/or
cornpressed
air
are
not
discharged
when
the
manual check buflon is oressed
Repair
or
replace
the
condensate
discharge system.
G
The high
pressure
swilch
(HP)
trips
(see
notes
3')
GI
The fan doesn't work
Gt.t
.
The refrigeranl compressor stops:
.
The alarm signal relative
to
the
problem
is
displayed
on
the
eleclronic board (see noles
2')
.
main alarm relay
tripped (see
notes 1').
Repair
or
replace
the fan.
\Ivhere
fitted, check the circuit breaker of lhe
fan
Starl the unit
again (se€ notes 2').
G2
Air-cooled
dry€rs:
temperature too
high.
ambient
air
G2.1
.
Amtlient
air
temperature
higher
lhan maximum permitled
value;
.
see
G'1.'1.
.
the condenser is invaded
by
warm
air
expelled
by the
dr
oomDressor_
lf the unit is
installed indoors, reduce
ambienl temperalure
lo
within
rated
limits, e.g. Installing fans to extracl the
alr.
Start
the
unit
again (see noles 2').
G3
Air-cooled dryers:
recirculation
of
warm
air
due
lo
inconec{ installalion.
G3.1
. Condenser cooling
air
lemperature higher than
lhe
max.
permitted value;
o
smGl
1
Change
the pogtion ol
the unit or the
position of any
nearby obstruclions in
order
to prevenl recirculation.
Start
the unil again (see noles
2').
G4
Air-cooled dryers:
see A6
G4.1
See
G'1.1
Clean
the condenser fins.
Start
the
unit
again (see notes
2').
G5
Air-cooled dryers:
see
A7
G5,t
See G1.1
Remove
the obstrudion from
the fronl
surfacr
of the compressor.
Start
the
unit
aoain (see notes
2').
G6
Air-coolcd
dryers: amtient
air
temperature relatively
high and
fan
rctates
in
the
wrong direclion
(on
threephas€ supply
units).
G6.1
o
The cooling air
flours through the
fan and then
crosses
the
cond€nser:
.
the refrigerant compressor stops;
.
main alarm relay
tripped (see
noles
1')
in\,/eil
the
position
of
two phases
of
the
mains supply.
G7
Walercooled
dryers:
waler inlel
lemmralura tm
hioh
G7.1
See
G1.1
Reduce
the
water
tempereture lo
wilhin rated limils.
Slarl the unil aoain {se€ notes
2')
GB
(see
notes
4')
Water-cooled
drye6:
water flon, too
low
G8.t
SeeGl
1.
lncrease
lhe availablo head pressure
at the
dryer
in
order
to
increase the
water flow.
Slai
lhe unil aoain
ls€
noles
2')
G9
Waler-cooled
dryers:
surface
of
exchanger
fipes
dirty.
G9.r
See
G1.1
Clean the inside ol th6 heat exchanger
pipes with a mild descaling agent that
dissolves carbonales but is suitable for
steel and copper.
Start
lhe
unit
aoain (see notes
2').
Gt0
Compressed air flory
or
temperature
too
high combined
wilh
high ambient
temperdure.
Gl0.r
.
High
dew-point
(high
evaporation
pressure
and therefore high load
on condenser):
.
refrigeranl compfessor
stoPs;
.
main alarm
relay tripped (see
noles'l'l-
Reduce
the
compressed
air
f,orv and
temperalure to within rated limits.
Start
the unil again (see notes
2').
18