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Centerline CDH ML-130374 Commercial Dishwasher
Installation and Operation Manual
CENTERLINE™ ECOLINE™
11 TROUBLESHOOTING GUIDE
11.1 Poor wash results
Fault Type
Possible Cause
Remedy
Wash arm hard to turn
• Remove wash arms and clean them
thoroughly.
(must rotate easily by hand).
• Also check that water manifold from
machine to wash arm is clear.
Wash arm nozzles are clogged
(visual check).
• Remove wash arm and rinse wash arm
thoroughly until all soiling is removed.
• Remove rinse arms and delime them in
separate container.
Rinse nozzles clogged
(usually by lime deposit).
• Check building softening system for
function.
Ware not
clean
• Delime machine if needed.
Detergent concentration is too low or too high. Check detergent concentration setting (See
operating instructions.
Tank strainers clogged.
Remove strainer pan(s), empty and clean
strainer(s).
Pump strainer clogged.
Remove, empty and clean strainer.
Wrong program selected for heavily soiled
wash ware.
Extend the wash program for longer wash cycle.
Rinse aid concentration too low.
Increase concentration
(see operating instructions)
Wash ware still greasy.
Detergent concentration too low: increase
(see operation instructions).
Check if detergent is appropriate. If not,
choose a stronger one.
Ware or
glasses dry
poorly
Drain contaminated water and refill
machine. Ensure better pre-scrapping of the
wash ware.
Wash ware left in machine too long after the
end of wash cycle.
Remove wash ware as soon as cycle is
completed when ware is at its highest
temperature to enable better drying.
Rinse aid concentration too high
(stripe or bubble formation)
Reduce rinse aid concentration
(see operating instructions)
Streaks and
spots on
ware or
Hard water or high mineral content.
Improper rinse aid
Check water quality.
Consult your local chemical provider
glasses
Inadequate rinse aid dispensing causes stains.
Increase rinse aid concentration
(see operating instructions)
Page 59 of 60
Ver2.0
F41220 (August 2022)
| General | Details |
|---|---|
| Name | Centerline CDH ML-130374 Commercial Dishwasher |
| Make | Centerline |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1 MB |
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