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Insert new cartridge and ventilate device
Lubricant cannot be conveyor
Use lubricant with correct viscosity
Supply interrupts but
drive is ok
Wear on the non-return valve in the
pump element
Change non-return valve (see chapter 12.3 “Change of
the non-return valve” and 17. “Spare parts”)
Cartridge connection leaky
Retighten cartridge, possibly change sealing washer or
cartridge
Insert new cartridge and ventilate device
Device supplies without
or with low pressure
Wear on the non-return valve in the
pump element
Change non-return valve (see chapter 12.3 “Change of
the non-return valve” and 17. “Spare parts”)
Pressure limiting valve does not close
Exchange pressure limiting valve
15.1 Signal displays of the control
The device signals a malfunction when the errors E1 to E5 are displayed.
With the errors E1, E2, E3 and E4, the signal display goes out automatically after eliminating the cause of error.
The error E5 must be reset as described in chapter 15.2 “Resetting the error E5”.
In general, an intermediate lubrication should be triggered after eliminating any cause of error in order to test
the faultless function of the device (see also chapter 10.2 “Intermediate lubrication”).
LED glows LED flashes
Device active
o The device is operational
Device operates
Display sequence:
(Program) (Lubrication (Cycle
duration) duration)
o The device performs a lubrication