Modular GWD 40 DT Serie Instalación, Uso, Mantenimiento página 25

Bowl
temp.
Alarm 9 AL
probe in
short
circuit
Boiler
temp.
probe
Alarm 10 AL
not
connecte
d
Boiler
temp.
Alarm 11 AL
probe in
short
circuit
Cold
Alarm 12 AL
rinse
All alarms are " blocking " , the machine stops its
normal operation until the cancellation of the alarm
that can be done by turning off the machine, the
entrance into stand-by or starting a new cycle
If the alarm condition persists, the machine will
return under alarm and goes immediately blocked.
Tank overflow alarms (AL 07) and timeout heating
boiler (AL 03) are deleted automatically after the
condition that caused the alarm.
BY SETTING THE SWITCHER INTO THE ON POSITION
THE MACHINE DOES NOT START
Possible causes:
- There is no voltage in the electrical system;
The main switch
-
corresponding fuses are burned-out;
- The machine connecting cable may be interrupted;
The conductors in the control panel terminal board
-
may be loosened;
- The machine line switch is inefficient;
- The conductor contacts are inefficient;
9
10
11
In a washing
cycle is delayed
rinsing because
of the boiler
temperature to
below that
12 desired, up to a
maximum time.
The cycle is
completed,
however, with
pauses and
cold rinse.
is disconnected or
- Micro door may be faulty;
- Electronic board;
- User interface;
WATER DOES NOT ENTER IN THE DISHWASHER
Possible causes:
There is no water in the water system or the tap is
-
closed;
- The supply pipe may be bent or compressed;
- The filter of the solenoid valve may be dirty;
- The coil of the solenoid valve may be broken;
The small piston of the solenoid valve may be
-
blocked.
- Circuit connections may be faulty;
- The pressure switch is faulty.
- Electronic board;
- Micro door may be faulty;
WATER KEEPS ENTERING IN THE DISHWASHER
Possible causes:
- The solenoid valve is dirty;
- The membrane is torn;
- The small piston does not move into its housing.
Loose connection between small tube and pressure
-
switch;
- The air trap or the small tube are pierced;
There is water in the pressure switch or in the air
-
supply tube;
- Loss of pressure in the pressure switch;
- The pressure switch is faulty.
- Electronic board;
WATER DOES NOT HEAT UP (TRI-PHASE MACHINE)
Possible causes:
- A phase is missing from the relay coil;
- The relay coil may be interrupted;
- The pressure switch contact may be faulty;
- The contactor's connections are worn out;
- The connections or conductors may be faulty;
- There is one phase missing;
- The boiler heating element may be damaged;
The connection between the terminals and the
-
heating element is incorrect;
- The bowl heating element may be damaged.
- The connections or conductors may be inefficient;
- The temperature probes are defective;
- Electronic board;
the
WATER OVERHEATS
Possible causes:
The contacts in the boiler and/or bowl thermostat
-
are locked in the "Closed" position.
25