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Operating instructions
4.3.5 Operating problems
Troubleshooting
If the touch panel screen gives no indication of whether the ON/OFF button has
been pressed, check the main switch to see whether it is turned on. If the problem
persists, contact authorised service personnel.
The figure on the touch panel will change when an error or an alarm is presented.
There are three different levels.
1.
2.
3.
The majority of these alarms can be remedied by the operator. Some blue alarms
that have been dealt with by the operator a number of times will eventually change
to yellow or red alarms, meaning that service personnel must be contacted.
Depending on previous settings, the machine may be stopped but not restarted
until the cause of the alarm has been addressed. The operator is assisted by
guides presented on the touch panel to perform measures or alternatively contact
details for a service provider will be displayed.
In addition to the faults shown on the touch panel, other faults can occur. The
table below shows some faults which can be rectified by the operator.
Troubleshooting
Problem
Noise from the washing
pump.
The machine is not
cleaning properly.
The dishware tips over.
WD-B 550S - WD-B 950S
Information alarms (blue), which can be dealt with by the operator
Error alarms (yellow), which can often be dealt with by the operator
Critical error alarms (red), where service personnel must be contacted
Cause
Foam in the tank.
For causes and actions, see "4.2.8 Checking the wash result".
The dishware is too light.
Washing pressure is too high.
The upper wash arms in the
chemical, pre-wash or final
rinse sections are clogged.
50
Action
Change the water.
Put the dishware in baskets. Use a mesh grid to
hold the items in place.
If the machine is equipped with Quick setting for
washing pressure (option): Check that the lever
is set to the position for "Normal loads".
Clean the wash arms!
Rev. (202209)
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