Troubleshooting - PLYMOVENT MFS Manuel Opérateur

• Empty the dust tray. In case of emptying it in a plastic bag,
make sure to seal the bag firmly.
• Slide the dust tray back into the machine.
• Carefully tighten the star knob making sure that the dust
tray is sealed airtight.
Fig. 6.3 Emptying the dust tray
7

TROubLEShOOTINg

If the machine does not function (correctly), consult the
checklist below to see if you can remedy the error yourself.
Should this not be possible, contact your supplier.
waRNINg!
Always switch off the machine and disconnect it
from the mains and compressed air before carrying
out the activities below. First read the maintenance
regulations at the beginning of this manual.
Symptom problem
Motor does Machine does
not start. not function.
Motor makes Machine does
a humming not function.
sound, but
does not run.
0507260010/301113/G MFS - MFS/C
B
possible Solution
cause
No mains Check the mains
voltage. voltage.
Mains cord Repair or replace
defective. the mains cord.
Loose contacts. Repair the contacts.
Motor protection Replace the motor
switch protection switch.
defective.
Motor defective. Repair or replace
motor.
Motor uses 2 Repair the phase
phases instead connection.
of 3 (three-
phase motor
only).
Motor capacitor Repair or replace
defective/not the motor capacitor.
connected
(single phase
motor only).
Symptom
Motor stops
automatically.
Control light
extinguished
during
cleaning
process.
Control light
blinks
("ALARM").
Control light
keeps blinking
("ALARM").
A
Machine does
not react to
pressing
CLEANING
ON/OFF
- RESET
button.
Poor suction.
Poor suction.
problem possible
cause
Machine does Thermal relay
not function. activated.
Motor defective. Repair or replace
No indication. Control light
defective.
Control PC
board defective.
Insufficient Saturated main
airflow. filter.
No automatic Filter cleaning mechanism defective:
filter cleaning.
- 24 VAC
magnetic
valve
defective
- control PC
board
defective
- filter cleaning
mechanism
defective or
worn
- no
compressed
air or
compressed
air pressure
too low
- pressure
difference
switch
defective
- compressor
defective
(MFS/C only).
Activating CLEANING ON/
offline OFF - RESET
cleaning and button
reset not defective.
possible.
Control PC
board defective.
24 VAC supply
defective.
Machine does Inverted
not function direction of
properly. rotation of the
motor (three-
phase motor
only).
Extraction fan
polluted.
Outlet grid
blocked.
Machine does Main filter
not function clogged or
properly. saturated.
Spark arrester
clogged or
saturated.
Outside air is
being extracted.
Filter cleaning
mechanism
defective.
Solution
Let the machine
cool down for some
time. Check thermal
relay settings (NTR)
according to
electrical diagram.
motor.
Replace control
light.
Replace control PC
board.
Carry out offline
filter cleaning cycle
(ref. 5.3.3).
Replace main filter
(ref. 6.2.1).
Replace magnetic
coil or membrane.
Replace control PC
board.
Replace the filter
cleaning
mechanism.
Check compressed
air system and/or
compressed air
connection.
Replace pressure
difference switch.
Replace the
compressor.
Replace CLEANING
ON/OFF - RESET
button.
Replace control PC
board.
Repair 24 VAC
supply.
Change the
direction of rotation.
Clean the extraction
fan.
Remove
obstructions from
the outlet grid.
Replace main filter
(ref. 6.2.1).
Clean or replace the
spark arrester (ref.
6.2.2).
Check or replace
sealing material.
Repair cleaning
mechanism.
EN - 9