40 - Recovery System 89Service Manual – SC250, Scrubtec 334, MA 30
Troubleshooting
Trouble Possible Causes Remedy
The vacuum system motor will not turn on Wiring between Main machine controller (EB1) and
vacuum system motor (M2) damaged
Repair
Main control board (EB2) faulty Replace
Vacuum system motor faulty Check the current draw/Replace
Dirty water vacuuming is insufcient or
there is no vacuuming.
Activation of automatic oat shut-off Drain the recovery tank
Vacuum grid with automatic shut-off oat dirty Clean
Tank cover not correctly positioned Adjust
Tank cover gasket damaged or not working correctly Clean or replace
The recovery water duct is dirty Clean the duct with running water
The vacuum system motor container is dirty Clean
Vacuum seals damaged or not working correctly Repair or replace
The air lter is dirty Clean the lter
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