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4. MAINTENANCE
4.3 SYSTEM TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
SOLUTION
Pumps do not start
Pumps pressure switch burned
Electronic failure
Replace
Activate the by-pass
Pumps start but stop at
high pressure
System is blocked
Dirty filter
Dirty membranes
Trouble in the cycling system
Perform Reset procedure
and purge the unit
Replace cartridge
Perform cleaning cycle
Contact a Schenker service
point
While functioning the
pumps momentarily shuts
down
Dirty filter or membranes
Pump pressure switch not
calibrated
Cold sea water
Clean or replace See 4.2
Calibrate pressure switch
Calibrate pressure switch
Low production / normal or
low pressure
Low battery voltage
Air in the plant
Seal system leak
Check battery voltage
Perform bleeding See 3.2
Contact a Schenker service
point
Low production / high
pressure (> 8 Bar)
Cold sea water
Dirty membranes
Normal condition
Calibrate Pressure switch
Perform cleaning cycle
4.2
Leaking in the plant
Loose pipe connections
ERS loss
Tighten connections
Contact a service point
