Recovery System
72
Service Manual – Scrubtec R 253 - RA40
Troubleshooting
Trouble
Possible Causes
Remedy
The vacuum system motor will not turn
on
Wiring between function electronic board (EB1) and
vacuum system motor (M2) damaged
Repair
Dashboard instrument electronic board (EB4) faulty
Replace
Vacuum system motor faulty
Check the amperage
Suction of dirty water is insufficient or
non-existent
Activation of automatic float shut-off
Drain the recovery tank
Debris collection filter dirty
Clean
Vacuum grid with automatic shut-off float dirty
Clean
Tank cover not correctly positioned
Adjust
Tank cover gasket damaged or not working correctly
Clean or replace
Vacuum system motor container dirty
Clean
Vacuum seals damaged or not working correctly
Repair or replace
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