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5. Troubleshooting
Fault
Possible reasons
Solutions
When shortage lasts
long, and suction
blower don't run.
The main switch and control switch don't
open or the above two don't connect well.
Close the main switch and control
switch and check their connecting.
The microswitch on hopper don't
connect well .
Adjust or replace.
The signal wire is break off.
Re-connect.
The suction blower
still running when the
hopper is full.
The touch point is conglutinated
Repair or replace.
After several times of
loading the material
hopper still empty or
the material shortage
alarms.
The storage tank is empty.
Add the material
The pipe is air leak.
Lock tightly and replace the
vacuuming pipe.
The filter is blocked.
Clean the filter.
The motor can
’
t run.
Short-phase or motor was burnt out.
Check and replace.
The fuse always burnt
out after start-up.
Short circuit or connect the ground.
Check the circuit.
Motor overload
alarms
The filter is blocked.
Clean the filter and reset the
overload relay.
One of three phase is lacking.
Check the circuit and reset the
overload relay.kkk
Poor material
liquidityin the pipe
Over or lack of air quantity
Adjust air inlet location of the
suction box.
Avoid small bending of the elbow.
