Miele PG 8581 Operating Instructions Manual page 115

Problem
Fault 438
Fault 440
Fault 460-462
Fault 492, 504
Possible cause and solution
The door seal sticks.
Clean the door seal.

Heavy objects in front of the machine can impede the
automatic opening of the door by the Comfort lock.
Do not place (heavy) objects in front of the door of the

machine.
The Comfort door lock is blocked.
Try to open the door carefully (without using force) by

pulling on the door handle.
If the door is still blocked:
Open the door using the emergency release.
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Close the door and try to open it again using the

 button.
If it is still blocked:
Contact Miele Service.

The float switch in the base of the machine has not been
activated. The switch might be blocked.
Remove the filter combination.

Check the float switch to make sure it moves freely. The

float switch is located in the base of the machine behind
the spray arm.
A program was interrupted due to the spray arm speed
dropping below the set value.
– Wash items are obstructing the machine or basket spray
arms.
Arrange the wash items so that the spray arms can turn

easily and start the program again.
– Wash pressure is too low due to a heavy build-up of
foam.
Follow the instructions regarding foam build-up in

"Chemical processes and technology".
– Spilled rinse aid was not wiped away after filling or rinsed
Rinse
away by the program, which led to a heavy build-up
of foam during the next program sequence.
Rinse
Start the program to clean the wash cabinet.

Then reprocess the wash items again.
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A programme has been cancelled because there is not
enough water pressure. The filters in the wash chamber
may be blocked.
 Danger of injury from glass shards, needles etc.
which are retained in the filters.
Check and clean the filters in the wash chamber (see

"Maintenance/Cleaning the filters in the wash chamber").
Problem solving guide
115