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PRIMING CHEMICAL PUMPS
When a chemical becomes empty, the priming operation starts automatically the next time the machine
is turned on or a wash cycle is started. Note that the initial prime time for all pumps (Detergent, Rinse
Agent, and Sanitizer) is 60 seconds. If the chemical is not sensed within 60 seconds, the add chemical
indicator will ash. After the chemical is sensed, the indicator in the display turns off; and the pump
continues to prime for 10 seconds to allow the chemicals to reach the machine. If all chemicals are
empty, the sanitizer will prime rst followed by detergent. Only one chemical pump will run at a time.
If chemicals are not sensed after three consecutive priming operations, the add chemical indicator will
ash and priming is cancelled. The next time a wash cycle is started, the add chemical indicator will
continue to ash. Verify that the chemical bottles are not empty and that the delivery tube standpipes
are inserted completely to the bottom of the containers.
The priming operation can be reset by turning the dishwasher off, then back on.
If the chemical bottles are not empty and the delivery tube standpipes are inserted correctly, then the
chemical sensor or pumps may have malfunctioned; contact your local Hobart Service Ofce.