Suction Unit
F-31
S e r v i c e M a n u a l
Doc : Service Manual - F-31.doc Rev. 2 / 12 APR 2006
Page 12 of 12
Troobleshooting
Situation
Possible Cause
Solution
a
Disconnected or loose cord
Check connections and reconnect unit
b
Faulty wall outlet
Use another wall outlet
c
Fuses are damaged
Check the fuses inside SP.38.02
If fuses are damaged check the electrical insulation
on the electrical apparatus
d
Main rocker switch is damaged
In ON position, check the presence of the light ; if no
light is detected replace with a spare switch
e
Internal wiring connection are not
completed
Open the equipment and verify internal electrical wiring
(see functional layout)
1
Equipment will not
turn on
f
Battery low or battery fault
Charge the battery for 12 hours and check (see
indicators paragraph)
With a multimeter check the voltage between the
positive and negative pole, if the voltage value is not
around 10V dc replace the battery (see battery
paragraph)
Situation
Possible Cause
Solution
a
Vacuum regulator do not work
properly
Turn the manifold SP.21
b
Internal tubing are not properly
connected
Open the equipment and verify internal tubing
connection
c
Internal tubing are choked
Open the equipment and verify internal tubing bends
2 Suction
fault
d Pump
fault
Open the equipment ,disconnect the tubing and check
the pump
Situation
Possible Cause
Solution
3
The red light
flashes in the
on/off/charge
positions
a
The power cable is inserted in
the main feeeding
The red light normally flashes in order to signal
the presence of the main feeding
Situation
Possible Cause
Solution
4
The red light is
off with SW in
the off positions
a
The power cable is
disconnected to the main
feeeding
The red light normally is off when the cable is
disconnected to the main feeding
