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5.2. Clean test
The procedure for testing pumps (available in the service menu) is used to verify the
working of the washing circuit.
It consists of 4 steps:
step 1 – detergent pump working
During this stage it is possible to check that the detergent pump works and that after
a few minutes the liquid level in the tank increases (if the suction pipe is empty, it
takes about 2-3 minutes to fill it).
step 2 – sanitizer pump working
During this stage it is possible to check that the sanitizer pump works and after a few
minutes the liquid level in the tank increases (if the suction pipe is empty, it takes
about 2-3 min to fill it).
step 3 – rinsing
During this stage it is possible to check that there are no leaks in the connections of
the pipes, no obstructions into the nozzles and that the water pressure is regulated.
Step 4 – tank emptying
During this stage it is possible to check that the liquid level into the tank drops until
the tank is empty.
During all stages the status of the float shows on the display: it must be open when the
tank is empty, it must be closed when the liquid level in the tank exceeds half.
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