BWT Bewazon VULW 45 - Page 33

EN
33
Fault no. Monitored operating
condition
Delayed
actuation
Ozone device reaction Possible cause Remedy
(§30) Dryer fault: No
dryer ready for opera-
tion when ozone was
requested
Air purging and ozone
generation
- Ozone generation swit-
chedo󰀨withpost-purge
No dryer is ready for
operation:
a) Faulty dryer
b) Dryer switched ma-
nually beforehand
and the remaining
time period for the
dryer that is now on
standby is shorter
than the dryer rege-
neration time
a) Correct fault
on dryer
b) Wait until dryer is
regenerated
(§31/32) Fault: Ther-
mostat 16S5/16.1S5,
operating air too hot
All - 1) Ozone generation swit-
chedo󰀨withpost-purge
2) Regeneration cancelled
if in the heating phase
a) Process air is too
hot, dryer does not
cool down when
switched
b) Room temperature
is too high
c) Operating valve,
dryer heating or
thermostat con-
nected incorrectly
(devices with a
separate dryer
cabinet)
a) Cooling fan on
dryer is faulty, air
exchangerapis
stuck
b) Reduce room tem-
perature
c) Check wiring
(§33/34) Dryer fault
1/2: Thermostat
16S1/16S2, regenera-
tion air inlet
Start of the regenera-
tion warm-up phase
and end of the heating
phase
- Cancellation of regene-
ration, ozone generation
continued until fault §30
reported
Air outlet thermostat
16S1 or 16S2:
a) Thermostat faulty,
loose or incorrectly
set
b) Regeneration air
owtoolow
c) Heater faulty
d) Interplay of
a) to c) poorly
coordinated
a)Replaceandt
thermostat, set it
correctly
b) Check the air inlet
in the regeneration
blower, check the
airowontheair
outlet
c) Check the heating
current consump-
tion
d) Check switching cy-
cles in dryer menu,
Heatingon/o󰀨must
be > 3
(§35/36) Dryer fault
1/2: Thermostat
16S3/16S4, regenera-
tion air leakage
Start of the regenera-
tion warm-up phase
and end of the heating
phase
- Cancellation of regene-
ration, ozone generation
continued until fault §30
reported
Air outlet thermostat
16S3 or 16S4:
a) Thermostat faulty,
loose or incorrectly
set
b) Regeneration air
owtoolow
c) Heater faulty
d) Regeneration air
outlet temperature
reached before
regeneration air
inlet temperature is
reached
e) Interplay of options
a) to c) poorly coor-
dinated
a)Replaceandt
thermostat, set it
correctly
b) Check the air inlet
in the regeneration
blower, check the
airowontheair
outlet
c) Check the heating
current consump-
tion
d) Check that the
thermostats are
set and functioning
correctly
e) Check the switching
cycles in the dryer
heating menu. On/
o󰀨mustbe≥3