PREMAX AUP Install & Operations Manual.pdf - Hobart Food ...

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DE12 Frost preventionGBFNLIn case of frost or longer operation pauses (e.g. for seasonal operations)the machine must be completely drained.This should be carried out by after sales service.Reset for operation according to chapter 5.13 MaintenanceFor trouble free operation we recommend you enter into a servicecontract with your local Service Office.14 Troubleshooting guideTYPE OF FAILURE POSSIBLE CAUSE REMEDYPoor wash resultDishes are not clean.Dishes or glasses do not dryproperly.Wash arms stiff (you should be able toturn them easily by hand).Wash arm nozzles are clogged(visual check).Rinse arm nozzles are clogged(possibly by lime deposit)Detergent concentration is too low or toohigh.Coarse strainer soiled.Fine strainer soiled or obstructed bylime.Wrong program selected for heavilysoiled dishes.Rinse aid concentration too low.Dishes still greasy.Rack is not suitable for type of dishes(sloping).Dishes stay too long in the machine atthe end of program.Take out wash arms and clean them thoroughly.Check water outlet from machine to wash arms isclear.Take out wash arm, remove cleaning cap and rinsewash arm thoroughly until soil is removed.Replace correctly.Remove rinse arms and decalcify them in separatecontainer.Check setting of detergent concentration.See also operating instructions point 11.1.Take out strainer, empty and clean it.Take out fine strainer. If heavily soiled soak in avinegar solution. Then clean it thoroughly until thepores are free.Cleaning is to be done daily (see operatinginstructions).Select program with longer wash cycle.Increase concentration.See also operating instructions point 11.2.1...Detergent concentration too low: increase(see instructions).Check if detergent is appropriate. If not choosea stronger one.Drain soiled water and refill machine.Check pre-scrapping procedure.Use appropriate racks to create a sloping positionwhich allows water to drain away from cavities.Take out dishes as soon as cycle is completed toenable them to dry.20 AG-21567-B-08-08
Troubleshooting guideTYPE OF FAILURE POSSIBLE CAUSE REMEDYPoor wash resultStripes and staines ondishes or glasses.Rinse aid concentration too high.Hard water or high mineral content.Rack is not suitable for type of dishes(sloping).Insufficient rinse aid concentrationcauses stainesMachine with softener:Wrong type of salt used.Reduce quantity (see instructions).Check water quality.Obtain details from local water authority.Recommended values:Ideal degree of hardness is 4° Clark.Ideal conductivity value for glasses ismax. 150 µS/cm and for dishes max. 400 µS/cm.Use appropriate racks to create a sloping positionwhich allows water to drain away from cavities.Increase quantity (see instructions)Use only granular regeneration salt.DEGBFNLOther malfunctionsGlasses are totally orpartially cloudySurface of glasses is rough andporous, this is called glass corrosionThis is not caused by a malfunction on themachine. Replace with new glasses.Glass breakages. Use of inappropriate dish or glass racks. Use appropriate racks.Machine suddenly stopsduring wash program.High pressure cleaning had beenactivated.Machine is connected to a "maximumpower supply unit" which cuts out theenergy consumer at a given point, or machineis interlocked with another energyconsumer unit.Blown site fuse.Never use high pressure cleaning for glasses andlight dishes.Connect machine separately (call electrician).Check site fuses.If no button will be pressed during 6 hours, the machine switches off automatically without draining.AG-21567-B-08-081
Page 5: 2 Installation2.1 Location-Rear wal
Page 8 and 9: DEGBFNL3 Connecting a powder or sol
Page 10 and 11: DEGBFNL5 Start-up5.1 Detergent / ri
Page 13: Operation-To avoid heat loss, lower
Page 17 and 18: 11 Settings and Counter values-ATTE
Page 19: Settings and Counter values11.7 Rem

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