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Problem
Fault 526
Fault 542
Cause and remedy
The supply pressure has dropped below the minimum
value.
- The water pressure is too low due to a heavy build-up of
foam. Spilled rinsing agent may not have been cleaned up
after being added.
Follow the instructions regarding foam build-up in
"Chemical processes and technology".
Start the
Rinsing
programme in order to clean the wash
cabinet.
- The carriers were loaded incorrectly or overloaded.
Use only mobile units, baskets, modules and inserts suit-
able for the particular application.
Arrange hollow or deep-sided wash load items so that
water runs off them freely.
- The water lines are clogged or leaking.
Check and clean the filters in the wash cabinet and spray
arms.
Check the injector bars for possible leaks, e.g.:
– Are all caps and end caps in place?
– Are all connections fitted with nozzles, irrigation sleeves, hose ad-
apters or other washing attachments?
– Are installed silicone hoses undamaged?
Check the washer's water connectors in the back panel
of the wash cabinet to ensure that they are attached
tightly, and remove any blockages.
- The amount of water may be insufficient for the applica-
tion.
Increase the amount of water (see "Programme set-
tings"). If necessary, consult W&H Service.
A programme was cancelled because the water in the wash
cabinet 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.
- The filters in the wash cabinet are blocked.
Danger of injury from glass shards, needles, etc. re-
tained in the filters.
Clean the filters in the wash cabinet.
- The drain pump or the non-return valve is blocked.
Clean the access to the drain pump and the non-return
valve.
- The drainage system cannot take in enough water be-
cause it is blocked.
Contact a suitably qualified installer.
Problem solving guide
123
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