EMAK IP 1900, Operators Instruction Book

Page: 28 / 168

28
9 Problems, causes and solutions
WARNING
• Before undertaking any action, follow the instructions in the “Switching off” section. If it is not possible
to restore correct operation of the high pressure cleaner using the information in the table below, contact
a
Skilled Technician.
PROBLEM CAUSE SOLUTION
The high-pressure cleaner
does not start when switch (1)
is put into position “1”.
Note the information in Note 5
in the “Interrupting use when
operating pressure is above 20
bar/290 psi (Total Stop)” section.
A safety device in the system where
the high pressure cleaner is connected
has cut in (fuse, differential circuit
breaker, etc).
The power supply cable is not inserted
correctly.
Reset the protection device.
If it cuts in again, do not use the high pressure
cleaner and contact a Skilled Technician .
Take the plug out of the socket and replace it
correctly.
The high pressure cleaner
vibrates a lot and is noisy
The water inlet filter (39) is dirty.
The water supply is insufficient or
priming depth is excessive
Follow instructions in the “Routine Maintenance”
section.
Check that the tap is fully open and that the mains
water supply or the priming depth conform with
the instructions in the “Features and Technical
data” section
The high pressure cleaner does
not reach maximum pressure.
The adjustment valve is set for a
pressure which is lower than
maximum.
The nozzle head (24) is in the position
for low pressure (fig. 3 – position A).
The nozzle is worn.
Turn the control knob clockwise (17).
Follow instructions in Fig 3 Position B.
Replace the nozzle according to instructions in
the “Routine Maintenance” section
Poor suction of detergent. The detergent adjustment control
knob (4) is not fully open.
The nozzle head (24) is not in the
position for low pressure (fig. 3 –
position B).
Detergent suction filter is blocked.
After use with an external detergent
tank, the cap (3) was not replaced.
The detergent used is too viscose.
Turn the detergent adjustment control further
anticlockwise.
Follow instructions in Fig 3 Position A.
Follow instructions in the “Routine Maintenance”
section.
Replace the cap correctly.
Use a detergent recommended by the
Manufacturer and follow instructions on the
label re its dilution.
No water comes out of the nozzle. No water.
Suction depth is excessive.
Blocked water nozzle.
Check that the mains water tap is fully open or
that the suction pipe can prime.
Check the priming depth conforms to instructions
in the “Features and Technical Specifications”
section.
Clean and/or replace the nozzle as per instructions
in the “Routine Maintenance” section.
T h e h i g h - p r e s s u r e
cleaner stops during use.
A safety device in the system where
the high pressure cleaner is connected
has cut in (fuse, differential circuit
breaker, etc).
The ammeter protection device has
cut in.
Reset the protection device.
If it cuts in again, do not use the high pressure
cleaner and contact a
Skilled Technician
.
Follow instructions in the “Safety Devices” section.
I f m a i n s w i t c h ( 1 ) i s
turned, the motor hums
but does not star t up.
The electrical system and / or extension
cord are not suitable.
Follow instructions in the “Controls and
connection to the mains electricity supply”
section.