PRATIKA
User and Maintenance Guide Page 30/33
9 - P R O B L E M S , C A U S E S A N D R E M E D I E S
To carry out repairs, maintenance or adjustment operations that have not been
described in the previous paragraphs, we recommend contacting qualified operators (In
any other case, C.T.R. will not respond for defects caused to the stations).
In the following table, we have indicated who should carry out the operations on the
unit. We recommend following the instructions to the letter.
After having eliminated the problem, by following the instructions given below, it is possible to
continue the operating phase interrupted by recommencing that phase from the beginning.
Problems
Causes
Remedies
Who
Machine does not work 1)
Repeated switching
ON/OFF of the
machine
2)
Fuse in the unit is
burned out
1)
Switch off the
machine and wait at
least 50 sec before
switching it on again
2)
Change the fuse
1)
Operator
2)
Technical
staff
Display does not come
on
Wrong connection during
installation
Check installation
connections.
Operator
Recovery compressor
does not work
Recovery compressor is
damaged
Replace compressor
Technical
staff
Recovery phase takes
longer than specified
1)
Filters are not doing
their job
2)
Incondensable gas
saturation inside the
unit
1)
Change filters
2)
Carry out “General
Maintenance”
1)
Technical
staff
2)
Technical
staff
Vacuum pump does
not work
1)
Gas present in circuit
2)
No power supply to
pump
3)
Vacuum pump is
damaged
1)
Carry out Recovery
cycle
2)
Check power supply
and fuses
3)
Replace pump
1)
Operator
2)
Technical
staff
3)
Technical
staff
