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Operating instructions PT Series | 89014547; 2021-03 | 45
7.3 Poor wash result
Possible cause Remedy
Wash items not clean No or low detergent dosing Set the dosing amount as per the man-
ufacturer’s specifications. (}18)
Check the dosing hose (for kinks,
breakage, etc.).
Venting the dosing device. (}50)
Replace the canister, if empty.
Wash items incorrectly sorted
Sort wash items correctly. (}36)
Wash field jets clogged Dismantle wash field and clean jets.
(}48)
Temperatures too low Contact an authorised service techni-
cian.
Tank water too heavily soiled Start tank water exchange programme.
(}42)
Spots visible on the wash items If scaling is present:
The water is too hard
Check the external water treatment.
Connect water treatment.
For starch residues:
Temperature of manual pre-cleaning
exceeds 40 °C
Carry out basic cleaning.
Lower the temperature of manual pre-
cleaning.
The wash items do not dry on their own No or low rinse aid dosing Set the dosing amount as per the man-
ufacturer’s specifications. (}18)
Check the dosing hose (for kinks,
breakage, etc.).
Vent the dosing device.
Replace the canister, if empty.
Rinse water temperature too low Contact an authorised service techni-
cian.
Note:Water quality affects washing and drying result. We therefore recommend that the warewasher be supplied
with softened water from a total hardness of more than 3 dH (0.53 mmol/l).
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