E
Inspect screwed fitting of hoses on pump heads.
Disassemble
Turn item OFF and disconnect mains plug.
Transportation and store
1. Store item and its components in the original box to avoid damage in transit. Close box with
adhesive tape.
2. Store item in a dry place.
Caution: avoid shocks an vibration in transit.
For disposal, please comply with your local or national regulations.
Split by metal, plastic, etc.
Packing material to be treated as described above (material split).
Vacuum pumps
defect found
pump won't run or
starts running and
stops right away
low suction power
DISASSEMBLE, FORWARD & STORE
DISPOSAL
TROUBLESHOOTING
reason
electricity missing, voltage too
low ?
ROTAVAC vario control and
ROTAVAC vario tec:
triggering signal for
motorspeed missing?
overpressure in exhaust line?
motor overload?
centering ring not seated
correctly
long, thin line?
condensate in pump?
deposits in pump ?
diaphragm and valves broken?
emission of gas, vapor in
process ?
ROTAVAC vario control and
Rotavac vario tec:
pump runs hot (decrease
speed)?
correction
check voltage, connect
electricity
check triggering signal
open exhaust line.
allow motor to chill, check for
reason, turn ON again
check pump check fittings. line
and recipient
increase cross section.
run pump with intake stud
open for a minute
clean and check pump heads
replace diaphragm and/or
valves
check process parameters
improve cooling, or reduce
suction pressure
70