17
Eco Trolley Manual revision 01/10
DIAGNOSTIC
S
7.1 TROUBLESHOOTING
Table 7.1 A
TROUBLE
CAUSE
INSPECTION AND/OR FIX
Dust is coming out of the Hepa
filter
•
Faulty filter cartridge
•
Worn seal
•
Change filter cartridge
•
Change filter cartridge
The solenoid valve or regulator
“hiss”
•
Poor air quality, dirty
membranes
•
Membrane failure
•
Install air filter at inlet
•
Clean/change regulator/solenoid valve
The motor is not starting
•
No power supply from the
mains
•
Thermal cut-out enabling
•
Check power supply
•
Reset the main switch
The motor stops
•
No power supply from the
mains
•
Motor overload
•
Check power supply
•
Check dedusting device and filter cartridge
operation
•
Check vacuum breaker valve operation
(Ecologic trolley 30 only)
Filter is not automatically
cleaned
•
No compressed air feed
•
Dedusting device is stuck
•
Faulty timer
•
Faulty solenoid valve
•
Restore compressed air feed.
•
Clean/change dedusting device
•
Change timer
•
Clean/change the solenoid valve
Faulty or insufficient suction
•
Filter clogged due to failure of
emptying dust collector bag
•
Damp filter
•
Suction of objects
•
Dedusting device is stuck
•
Faulty solenoid valve
•
Faulty timer
•
No compressed air feed
•
Empty dust collector bag more frequently, an
excessive quantity of accumulated dust clogs
the filter cartridge
•
Check for condensate in the machine
accumulation tank. Install a filter at machine
inlet
•
Check for the correct suction value,
disconnect tube diam.63 from filter holder
cylinder. If suction is correct, system took in
something that jams air passage in tube.
Remove jamming.
•
See above
•
See above
•
See above
•
See above
With openings open,
differential pressure gauge
displayed pressure is
considerably different from
zero
•
Clogged filter
•
Clogged/broken connecting
tubes
•
Broken pressure gauge
•
See above
•
Clean the connecting tubes and reconnect
them to pressure gauge
•
Renew the pressure gauge
Motor compartment
Clean carefully.
Monthly.
Dust collector bags
Change.
When necessary.
Tighten power wiring screws
Tighten screws and junctions
PLACE UNIT OUT OF SERVICE
BEFORE PERFORMING THIS
OPERATION
Perform 3 months after installation
and repeat every six months.
Turbine Motor
Bearings. Have bearings changed by
an Authorised Service Centre.
Change every 15,000 hours.
