vacuubrand DVR 2pro Instructions For Use Manual

41N°: 999341_EN_DVR 2pro/12.07.2017Resolving problems7.2 Fault – Cause – RemedyFault ` Possible cause 3Remedyover pressureBlinking cycle pressurereading and warning tri-angle` Pressure too high.` Measuring range exceeded.WARNING!Risk of bursting.>Discharge the system imme‑diately by Venting.3 Vent the system or appara‑tus.3 Reduce pressure.3 Perform sensor adjustment.Under rangeBlinking cycle pressurereading and warning tri-angle` Measuring range fallenbelow.3 Pressure reading until 0mbar (0 Torr).3 Perform sensor adjustment.Front glass broken ` Wrong cleaning agent used.` Mechanicallydamaged.3 Send in gauge.Wrong pressure read‑ings displayed` Sensor measures incor‑rectly.` Vacuum sensor polluted.` Defective sensor.3 Clean sensor3 Perform sensor adjustment.3 Send in gauge.Battery icon and/or dis‑play blinks` Battery low. 3 Replace battery.No display ` Device switched off` Power‑on time elapsed.` No voltage, battery empty ordefective or wrong poled.3 Switch on device3 Extend power‑on time.3 Checkbattery fastening.3 Replace battery.Adjustment mode can‑not be called‑upBlinking warning triangle,pressure reading = - - -` A for sensor adjustmentinadmissible pressure isreached(no adjustment possible inbetween pressure range 21– 699 mbar).3 Perform adjustment atmin. > 700 mbar atmo‑spheric pressure or vacuum< 20 mbar.3 For adjustment connecta vacuum pump with pre‑cise vacuum and then movepump down to the possiblepressure range.Display of all LCDicons orno display despite ofbattery replacment.` Defective sensor.` Defecitve measuring equip‑ment3 Send in gauge.