cycle starts automatically each time the
door is closed.
Pressing the key has the desired effect only
when the door is open.
D
(7)
RAIN
This key works only if the machine has a
drain pump.
It has the desired effect only when the door
is open. Once pushed (LED (j) on), the drai-
ning cycle starts and will continue whether
the door remains open or is closed. By pus-
hing the key again, the draining cycle
stops.
Upon completion of the draining process,
the machine remains stand-by for a few
seconds: after this interval, filling will
start again, unless the user has powered
the machine down by turning main switch
off.
Adjustment of Working Temperatures:
(Figure B : Diagram of Electronic Board)
Temperatures are factory-set at:
·131º-140ºF (55-60ºC) for the tank
·185º-194ºF (85-90ºC) for the boiler
Temperature Adjustment:
In order to be able to adjust the tank and
boiler temperatures, the two microswitches
must be in the OFF position (Resistors
Disconnect: OFF). This way, the two resis-
tors remain live and temperatures can be
adjusted within the permissible range:
104ºF-158ºF (40-70ºC) for the tank and
185º-194ºF (70-93ºC) for the boiler.
Adjusting procedure:
·Check that the two resistors are on:
microswitches (3) in the lower position:
"Resistors Disconnect: OFF".
·Press the red key (Fig. B-5) during 3
seconds to activate the temperature set-
ting function.
·The display shows the temperature then
predefined for the tank or the boiler
(depending on how many times you pres-
sed the key - Fig. A-3).
·To adjust the temperature, there are two
potentiometers: B-2 for the tank and B-4
for the boiler (both clearly identified on
the silk-screened board, that also shows
the temperature ranges).
·Adjusting is done by turning the relevant
potentiometer clockwise to increase the
temperature and counterclockwise to
decrease it; the display showing the tank
or boiler temperature, whichever has been
selected with key (Fig. A-3).
·After setting the required temperature,
power the machine down and up with main
switch A-1. As a result, the new tempera-
ture is stored in the memory of the elec-
tronic board.
Disconnecting the resistors:
In order to disable the heating of the resis-
tors, there are two microswitches (3) on the
board. So, placing the two microswitches in
the ON position will disconnect the two
resistors (Resistors Disconnect: ON).
Troubleshooting:
Only qualified technicians may work on the
connections of the electronic board, after
cutting out power to the machine with the
main switch and the automatic safety cir-
cuit-breaker at the external feeding point
to the machine.
The display shows the temperature probes
failure in accordance with the following
code:
·E1:.......Boiler probe disconnected (circuit
open). Check the connections at the con-
nector (Fig B-c)
·E2:.......Boiler probe short-circuited. Probe
failed and must be changed.
·E3:.......Tank probe disconnected (circuit
open). Check the connections at the con-
nector (Fig B-c)
·E4:.......Tank probe short-circuited. Probe
failed and must be changed.
·E5:.......Rinse probe disconnected (circuit
open). Check connections at the connector
block (Fig B-c)
·E6:........Rinse probe short-circuited: Probe
failed and must be changed
·E7:.......Cycle time exceeded: Boiler hea-
ting failed, or boiler temperature probe
failed.
The temperature transmitters are connec-
ted to the four-pin connector (Fig. B-c).
On the electronic board, there are several
light indicators which are very useful for
monitoring the machine operation and mal-
function. Those indicators belong to either
of two groups: input LEDs or output LEDs.
Input LEDs: those associated with infor-
mation received by the electronic board.
Their location and description are indica-
ted on the silk-screened board and on
Figure B. The following are the amber
LEDs:
·'PUERTA' LED: ON, when the door is clo-
sed.
·'PRES. ALTO' LED: ON, when the high
pressure switch is on, meaning that the
tank is full.
·'PRES. BAJO' LED: ON, when the low pres-
sure switch is on, meaning that the water
level has reached the bottom pressure
switch.
·Reserve LED: associated to a spare input.
·'BOYA SUP.' LED: Break Tank High Float
LED. ON, when the high float has been
actuated, meaning there is water up to this
level.
·'BOYA INF.' LED: Break Tank Low Float
LED. ON; when the low float has been
actuated, meaning the water level has rea-
ched this point.
Output LEDs: They identify the item that
has been activated by the microprocessor.
Their location and description are indicated
on the silk-screened board and on Figure B.
The following are red LEDs:
·'B.PRES.' LED: ON, when the pressure
pump is working.
·'B.VAC.' LED: ON, when the drain pump is
active.
·'EVA' LED: ON, when water is allowed to
flow through the solenoid valve.
·'B.LAV.' LED: ON, when the washing water
pump is operating.
·Reserve LED: associated with a spare out-
put.
·'C.CALD.' LED: ON, when the boiler resis-
tor is heating water.
·'C.CUBA' LED: ON, when the tank resistor
is heating water.
Those LEDS show the status of the outputs
activated
by
the
microprocessor.
Accordingly, when one LED is on, the asso-
ciated component must also be active.
Example: If the Washing Water Pump LED is
on and the pump does not work, this
means that the microprocessor gives the
order correctly and the fault lies in an
external item such as the contactor or the
pump.
The status of the inputs can be determined
according as the respective LEDs are on or
off.
Model Configuration:
Control of cycle time (Thermal Hang-up)
as a function of the boiler temperature:
·The electronic controller features the
possibility of increasing the cycle time
until the preset temperature is reached in
the boiler. So, in the event the tempera-
ture of the boiler were lower than the pre-
set value, the cycle would be extended
until the preset temperature is reached.
This prevent rinsing with cold water. In
order to enable this feature, select the
appropriate digit from the following
table:
7
ENGLISH