Miele PG 8581 Operating Instructions Manual page 116

Frequently asked questions
Problem
Fault 518–521
Fault 542
Fault 550
116
Possible cause and solution
No flow was detected when dispensing from an external
container.
 Exercise caution when handling process chemicals.
For all process chemicals, the manufacturer's safety in-
structions as given on their safety data sheets must be
observed.
Check the level in the containers and replace empty
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ones with filled ones.
Check the suction openings of the suction wands and
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remove any deposits.
Check the hose connections on the suction wands, the
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machine, and any dispenser modules.
Remove any kinks from the dispensing hoses and
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check the hoses for leaks. Position the dispensing
hoses so that they cannot kink.
Vent the dispensing systems.
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If you identify any leaks in the dispensing hoses or de-
fects on the suction wands, contact Miele Service.
A program was canceled because the water in the wash
chamber is only being pumped away slowly or not at all.
- The drain hose is blocked.
Remove any kinks or large loops in the drain hose.
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- The filters in the wash chamber are blocked.
 Danger of injury from glass shards, needles etc.
which are retained in the filter.
Clean the filters in the wash chamber.
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- The drain pump or non-return valve is blocked.
Clean the supply line to the drain pump and the non-re-
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turn valve.
- The drainage system cannot accommodate the water be-
cause it is blocked.
Contact a qualified plumber.
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The waterproof system has been activated. One of the wa-
ter supply hoses might have a leak.
Close the faucets.
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Contact Miele Service.
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