Zhermack C306700, User Manual

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MAINTENANCE AND USE MANUAL
EN
SATOVAC
CAPITOLO 9: TROUBLESHOOTING
9.1
WARNING
9.2
PROBLEMS, CAUSES AND REMEDIES
Should any of the anomalies described below occur try setting the situation right, as
far as is permissible, by following the instructions contained in this manual. Should
the problem persist contact your Authorised Servicing Centre.
p
roblem
C
Ause
r
emedy
It is not possible to
create a vacuum in
the system.
1. Pump lubricant not pure.
2. Pump malfunction.
3. Aspiration of condensable
vapours without opening the
ballast valve.
1. Change the oil (see 8.2.1).
2. Contact an Authorised Service
Centre.
3. Open the ballast valve (see 4.2.2).
If the problem persists contact an
Authorised Service Centre.
Excess pressure
inside the pump
casing.
1. Bleed valve (8) may be
obstructed.
1. Free the bleed valve immediately.
If the problem persists contact an
Authorised Service Centre.
Overheating
protection device
inside pump trips.
1. Pump motor overheating. 1. Switch off pump immediately and
contact an Authorised Service Centre.