Frost Prevention; Maintenance; Troubleshooting Guide - Hobart AM900 Installation And Operation Instructions Manual

Glass and dishwashers
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11

FRost pREVEntion

12

MAintEnAncE

13

tRouBlEshootinG GuidE

typE oF FAiluRE
poor wash result
Dishes are not clean.
Dishes or glasses do not dry
properly.
AG-1590-A-09-08
In 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.
For trouble free operation we recommend you enter into a service
contract with your local Service Office.
possiBlE cAusE
Wash arms stiff (you should be able to
turn 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 too
high.
Coarse strainer soiled.
Fine strainer soiled or obstructed by
lime.
Wrong program selected for heavily
soiled 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 at
the end of program.
REMEdy
Take out wash arms and clean them thoroughly.
Check water outlet from machine to wash arms is
clear.
Take out wash arm, remove cleaning cap and rinse
wash arm thoroughly until soil is removed.
Replace correctly.
Remove rinse arms and decalcify them in separate
container.
Check setting of detergent concentration.
See also operating instructions point 10.1.
Take out strainer, empty and clean it.
Take out fine strainer. If heavily soiled soak in a
vinegar solution. Then clean it thoroughly until the
pores are free.
Cleaning is to be done daily (see operating
instructions).
Select program with longer wash cycle.
Increase concentration.
See also operating instructions point 10..
1.
Detergent concentration too low: increase
(see instructions).
.
Check if detergent is appropriate. If not choose
a stronger one.
.
Drain soiled water and refill machine.
Check pre-scrapping procedure.
Use appropriate racks to create a sloping position
which allows water to drain away from cavities.
Take out dishes as soon as cycle is completed to
enable them to dry.
dE
GB
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