Comcater COMENDA AC2E, Instruction Manual

Page: 23 / 28

instruction for the service people
23
SOME PROBLEMS WHICH MAY OCCUR DURING THE USE OF THE
DISHWASHER, THEIR REASONS AND REMEDIES
PROBLEMS TROUBLE SHOOTING
When switching on the machine,
a)make sure that the wall isolating switch is
Lamp "H01" does not light up making contact and the relevant fuses are not
burnt.
b)make sure that the wall switch is connected
c)make sure that the fuses "F15" and "F16" of
the transformer "T1" are not burnt.
Warning lamp "H03" is switched on
a)check the overload and contactor of each
motor and reset any which have tripped
b)make sure that the supply doesn’t fluctuate
more than 6% of the nominal value
c)make sure that the motors are not drawing
more current than the value shown on the
plate of the motor
d)make sure that there are three phases to the
motors If not, check the contactor
Incorrect filling of the tanks;
a)Check and adjust the pressure switch "SL3"
lamp "H02" does not illuminat if required
b)make sure that the local isolating valve for
the water supply is open and that there is
water in the supply pipes
c)check and ensure that the overflowpipe is
seated correctly and in its correct position
d)make sure that the coil of the solenoid valve
for the tank fill is not damaged and that there
is voltage at the valve
Continuous filling of tanks
a)make sure that the air trap of the pressure
switch is not damaged and that the connection
to the hose is not detached.
b)check the pressure switch operates correctly