Gastro HT 50 Serie Instalación, Uso, Mantenimiento página 24

WATER OVERHEATS
Possible causes:
The contacts in the boiler and/or bowl thermostat
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are locked in the "Closed" position.
The relay has remained in the "Closed position",
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even though voltage is supplied to the coil.
THE ELECTRIC WASHING PUMP IS FAULTY
Possible causes:
- The thermal protection is disconnected;
- Micro door may be faulty;
- Electronic board;
- The condenser is faulty:
- The motor winding is faulty.
The rotor does not rotate properly and absorption
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exceeds the nominal values;
- The motor rotor is blocked;
- There is not enough water in the bowl;
- The pump suction filter is dirty;
- The pump and the washing impellers are dirty.
THE MACHINE DOES NOT RINSE
Possible causes:
- There is no water in the system;
- The tap is partially closed;
- The supply pipe may be bent or squeezed;
- The filter of the solenoid valve may be dirty;
- The coil of the solenoid valve may be interrupted;
The small piston of the solenoid valve may be
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blocked.
- Pressure in the system is insufficient.
Faulty connections or inefficient conductors on the
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coil circuit;
Programmer cam does not close the relative
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contact
The cold, manual (where present) rinse pushbutton
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may be faulty;
- Micro door may be faulty;
- Electronic board;
- There is lime in the rinse circuit;
The sprayers may be obstructed or the rotating
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arms blocked
THE MACHINE RINSES UNINTERRUPTEDLY
Possible causes:
- The solenoid valve is dirty;
- The membrane is torn;
The small piston of the solenoid valve may be
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blocked.
- Electronic board;
THE WASH RESULTS ARE UNSATISFACTORY
Possible causes:
- The electric pump may be faulty or damaged;
- The detergent is not suited to dishwashers;
- There is no detergent in the bowl;
- The impellers may be obstructed or damaged;
- The washing impeller may be blocked;
- The water temperature is insufficient;
- The kitchenware has been loaded incorrectly;
- The baskets have been used incorrectly;
The rinse cycle has not been carried out properly.
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The crockery is lightly soiled;
- The washing slits are partially obstructed;
- The dishes or other crockery are overlapping;
There is dried-on food residue on the crockery due
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to late washing.
- The wash cycle may be inefficient;
- The rinse cycle may be inefficient;
The rinse water may be too hard and contain
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exceeding calcium and magnesium salts;
There is excessive surfactant concentration in the
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rinse water.
The detergent or surfactant may not be suitable for
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industrial dishwashers;
- The wash water temperature may be too low.
THE WATER DISPENSER OF THE SURFACTANT IS
FAULTY
Possible causes:
- The small transparent suction tube may be bent;
- The small suction tube may have a hole;
The small suction tube is not properly tightened to
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the rubber seal;
The suction fitting of the dispenser is not tightened
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properly.
- Pressure in the system is insufficient;
THE ELECTRIC DISPENSER OF THE DETERGENT IS
FAULTY
Possible causes:
- The small tube inside the dispenser may be broken;
- The small suction tube may be bent or damaged.
Faulty connection or inefficient conductors on the
-
motor coil circuit;
- Detergent dispenser may be faulty
THE REGENERATION CYCLE DOES NOT START
Possible causes:
There is no water in the water system or the tap is
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closed;
- The supply pipe may be bent or compressed;
- The filter of the solenoid valve may be dirty;
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