DISHWASHER PROBLEMS

It should not be forgotten, when selecting hygienic applications, easy to use, fast methods that use the least amount of chemicals should be selected.

PROBLEM LOADING ERRORS APPLICATION ERRORS MACHINE TEMPERATURE ERRORS
Insufficient Cleaning Performance / Excessively Smeary Plates * Washed materials are not categorised
* Glasses, bowls and concave bowls are not turned upside down
*Dishes are loaded wrongly
*Short dishwasher program or conveyor can not move quickly
*Glasses, plates and utensils aren’t loaded in their seperate baskets
*Washwater mixed with rinsing water
*Glass and cups aren’t washed seperately
*Dishes weren’t prewashed

*Dirty water in washing tank

*Drainpipes are semi-clogged

*Aged or dry dishes

*Dishes were imbricated before washing

*High Prewashing water temperature ! Must be 45 C° max

*Low washing water temperature ! must be 55 C° min

*High washing water temperature ! Must be 65 C° max

*Low rinsing water temperature ! must be 80 C° min

*High rinsing water temperature ! Must be 95 C° max

Inadequate Rinsing/ Water marks and Stains after drying *Washed materials are not categorised

*Glasses, bowls and concave bowls are not turned upside down

*Dishes are loaded wrongly

*Short dishwasher program or conveyor can not move quickly

*Glasses, plates and utensils aren’t loaded in their seperate baskets

*Washwater mixed with rinsing water

*Glass and cups aren’t washed seperately

*Dishes weren’t prewashed

*Dirty water in washing tank

*Drainpipes are semi-clogged

*Aged or dry dishes

*Dishes were imbricated before washing

*Low washing water temperature ! Must be 55 C° min

*High rinsing water temperature! must be 95 C° max

Insufficient Drying *Glasses, bowls and concave bowls are not turned upside down

*Dishes are loaded wrongly

*Conveyor moving too fast

*Glasses, plates and utensils aren’t loaded in their seperate baskets

*No curtain between sections. hot air moving away

*Low rinsing water temperature ! must be 80 C° min

*high rinsing water temperature ! Must be 95 C° max

*Low drying fan temperature

Excessive foam in machine/on washed materials *Too much detergent

*Dishwashing detergent mixed with dishwasher detergent

*Dishes weren’t prewashed Dirty water in washing tank

*Low washing water temperature ! Must be 80 C° min

*Low rinsing water temperature ! must be 80 C° min

Starch and Protein stains on Porcelain plates, serf-service trays, cups and glasses * Dishes weren’t prewashed
*Aged or dry dishes
*Dishes were imbricated before washing
* High Prewashing water temperature! Must be 45 C° max
Scale formation /
in machine/on washed materials
*Dishes weren’t prewashed

*Aged or dry dishes

*Dishes were imbricated before washing

*Not using rinsing products suitable for water hardness

*Periodic scaling maintenances are not done

* High washing water temperature ! Must be 65 C° max
DOSING EQUIPMENT ERRORS MACHINE RELATED ERRORS PROBLEMS WITH WATER QUALITY
*Dosing equipment is not working.

*Detergent and rinsing aid are added to the dosing equipment wrongly

*Unadjusted dosing equipment

*Dirty conducdivity probe worn-out pipes

*Clogged rinsing and washing ejectors

*Missing or dislocated rinsing and washing ejector

*Low pressure

*Rinsing and Washing fans are not turning

*Clogged washing engine filters

*Clogged rinsing water intake filter

*Water hardness too high

*Water softening systems are not working efficiently

*Backwash time for water softening system is too long or too short variable water hardness

*Use of different water on water clean-up system

*Excessive calcification on cleaned materails

*Dosing equipment is not working.

*Detergent and rinsing aid are added to the dosing equipment wrongly

*Unadjusted dosing equipment

*Dirty conducdivity probe worn-out pipes redundant/inadequate rinse aid

*Clogged rinsing ejector

*Missing or dislocated rinsing ejector

*Low pressure

*Rinsing fans are not turning

*Clogged rinsing water intake filter

*Water hardness too high

*Water softening systems are not working efficiently

*Backwash time for water softening system is too long or too short variable water hardness

*Use of different water on water clean-up system

*Excessive calcification on cleaned materails

*Dosing equipment is not working.

*Detergent and rinsing aid are added to the dosing equipment wrongly

*Unadjusted dosing equipment

*Dirty conducdivity probe worn-out pipes

*Rinse aid on washing tank

*Clogged rinsing ejector

*Missing or dislocated rinsing ejector

*Low pressure

*Rinsing fans are not turning

*Clogged rinsing water intake filter

*Water hardness too high

*Water softening systems are not working efficiently

*Backwash time for water softening system is too long or too short

*Dosing equipment is not working.

*Detergent and rinsing aid are added to the dosing equipment wrongly

*Unadjusted dosing equipmen worn-out pipes

*Clogged rinsing and washing ejectors

*Missing or dislocated rinsing and washing ejector

*Low pressure

*Rinsing and Washing fans are not turning

*Water hardness too high

*Water softening systems are not working efficiently

*Backwash time for water softening system is too long or too short

*Dosing equipment is not working.

*Detergent and rinsing aid are added to the dosing equipment wrongly

*Unadjusted dosing equipment

*Clogged rinsing and washing ejectors

*Missing or dislocated rinsing and washing ejector

*Low pressure

*Rinsing and Washing fans are not turning

*Water hardness too high

*Water softening systems are not working efficiently

*Backwash time for water softening system is too long or too short variable water hardness