11 | Troubleshooting
28 / 36 0870231979_WT0100-0730CP_CV_-0001_IM_en
Abnormal heat develop-
ment.
STOP THE MACHINE IM-
MEDIATELY !!
Abnormal increase in ex-
haust temperature.
• See causes marked with.
Too low rpm on blower
(and/or motor with fre-
quency regulation)
• Check the minimum al-
lowed rpm. And correct
the setting.
Too high oil level. • The oil level must be at
the top of the level indic-
ator when the blower is
not running.
Under pressure in the ma-
chine room.
• Check the ventilation sys-
tem and correct the vent-
ilation amount or air lock
sizes so there is not under
pressure in the room.
To high differential pressure. • Check, clean and replace
the inlet filter. Check
pipes and process system
on both sides of the
blower for blockages, ob-
structions, both mechan-
ical and control system re-
lated.
• and begin repairs of the
blower.
Abnormal wear on the lobes
after strain from solid media
(e.g. dust from operation
without inlet filter, CIP
cleaning of the blower dur-
ing operation with aggress-
ive cleaning fluids or stress
from aggressive gases).
• Install inlet filter to pro-
tect the blower
Oil leakage. Too high oil level (above
max on level indicator in
cabinet)
• The oil level must be
between MIN and MAX
on level indicator on cab-
inet front.
Leaking or damaged shaft
seals.
• Begin repair in workshop.
Blower has been tilted or is
not mounted horizontally.
• Place on horizontal
foundation.
Too high differential pres-
sure.
• Check, clean and replace
the inlet filter. Check
pipes and process system
on both sides of the
pump for blockages, ob-
structions, both mechan-
ical and control system
based.
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