Miele G500 Technical Information page 121

G500 Dishwashers
6.1.3.1 Water Inlet and Drainage Monitor
a) Drainage:
During the first 5 seconds of water intake, the heating level control switch
is monitored and the results processed as follows (see also the fault-
finding mode and functions E + SPL in the wiring diagram):
Level switch not yet activated:
Excess water already drained off, i.e. the drainage system is in proper
working order.
Level switch already activated:
Insufficient water drained off, i.e. the drainage system is not working
properly.
In the event of an error message, a "0" appears in the display and the red
"Drainage" LED lights up.
b) Water inlet:
After the first or the second program step, the heater level switch is
monitored for 5 seconds and the results processed are as follows (see
also the fault-finding mode and functions E + SPL in the wiring diagram):
Level switch already activated:
Sufficient quantity of water has been taken in, i.e. water inlet system is
in proper working order.
Level switch not yet activated:
Not enough water taken in, i.e. water inlet system defective.
In the event of an error message, a "0" appears in the display and the red
"Water inlet" LED lights up.
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Technical Information