ENGLISH
12 - Edition 10/2014 Cod. 2200780133 00 -
16.0 SCRAPPING THE UNIT
If the machine is to be scrapped, it must be dismantled into parts of the same material, to be disposed of according to the
local regulations in force.
ALWAYS RESPECT THE REGULATIONS IN FORCE FOR DISPOSING OF OLD OIL AND OTHER POLLUTING MATERIALS SUCH AS
INSULATING FOAM, ETC.
17.0 TROUBLE-SHOOTING AND EMERGENCY REMEDIES
ALL WORK MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL. BEFORE CARRYING OUT ANY MAINTENANCE
JOBS IT IS OBLIGATORY TO STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS.
N.B. OPERATIONS MARKED
MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL APPROVED THE
MANUFACTURER
FAULT FOUND
POSSIBLE CAUSES
OBSERVATIONS
1)
No compressed air passes through the dryer
outlet
1A)
The pipes are frozen inside
-The bypass valve of the hot gas is broken or
out-of-calibration
-The room temperature is too low and the
evaporators piping are obstructed with ice
2)
Presence of condensate in the pipings.
2A)
The condensate separator does not work
correctly
2B)
The dryer is working outside its rating
2C)
The dryer is working under bad conditions of
condensation
-Clean the filter from the condensate drain
-Check the condensate drain
-Check the flow rate of treated air
-Check the room temperature
-Check the air temperature at the drier inlet.
-Clean the condenser.
-Check the operation and the calibration of the
press. switch
-Check the good operation of the fan.
3)
The compressor head is very hot
(> 55 °C – 131 °F).
Make reference to
2B
Make reference to
2C
3A)
The cooling circuit is not working with the right
gas charge
-Check if there are leaks of refrigerating gas.
- Charge it again.
4)
Motor cuts out on overload
Make reference to
2B
Make reference to
2C
Make reference to
3A
5)
The motor hums and does not start.
The line voltage is too low.
You switched the machine off and on again
without leaving enough time for the pressure
balancing.
The starting system of the motor is defective.
-Contact the electric power company
-Wait a few minutes before starting the machine
again.
-Check the running and starting relays and
condensers (if any)
6)
The machine has stopped and does not restart
even after a few minutes.
The termostatic protection with
manual reset
has intervened: make reference to
2B-2C-3A.
The motor has burnt out.
7)
The compressor is very noisy.
Troubles with the internal mechanical parts or
with the valves
