When
If you suspect leakage in the pump
When the leak sensor reports leakage, see Resolving Liquid Leaks.
Tests
The following tests assist you in finding out whether leakage is present in the pump and they help you to locate the source of a leak:
Pump leak test (general test)
See Testing the Pump for Leakage (General Test)Piston seal leak test
See Testing the Piston Seals for LeakageSeal wash system leak test
See Testing the Seal Wash System for Leakage