Maintenance Screen; Status Screen; Maintenance Functions - Rietschle RVM 25.3.000 Instructions De Service

3.4.3 Description of warnings and deficiencies
• The vacuum deficiency outlet is activated (contact opens) if the vacuum is less than -400mBar. The contact closes auto-
matically when the vacuum is equal to or greater than - 400mbar.
• The deficiency outlet is activated (contact opens) as soon as there is a heat or oil deficiency.
This outlet is de-activated (contact closes) once the ACQ key is pressed. If the deficiency does not disappear after 15 minutes,
the outlet is re-activated.
- An oil deficiency is only registered after 10 sec. of stability.
- An oil temp. deficiency is registered immediately.
3.5 Maintenance
While the initial screen is displayed, the ENT key can be pressed in order to view the pump operating hours indicator. This
display is time-delayed and disappears after 10 seconds. The initial screen re-appears.

3.5.1 Maintenance screen

Pump hours: xxxxH
While the pump status screen is displayed, the ENT key can be pressed in order to view the number of operating hours of the
pump concerned (fourth line of the display):

3.5.2 Status screen

Hours: xxxxH

3.5.3 Maintenance functions

As soon as the maintenance clock reaches the suction maintenance time that was programmed during installation; PUMP
MAINTENANCE appears on the 3rd or 4th display line and the blue indicator lights up.
3.6 User-programmable parameters
The user can programm parameters by pressing the DA, UA and VAL keys simultaneously for 10 seconds, while the initial
screen is displayed.
Vakuum range
-xxx mbar
Programming is carried out by pressing the UA or DA keys, the programming range is -300 to -899 mbar.
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