9. Maintenance and cleaning / 10. Faults
9.2 Cleaning
CAUTION!
EN
10. Faults
In the event of leaks on lines filled with SF
by closing the gas cylinder valve and the leaks must be eliminated by skilled personnel.
The SF
gas filling cart can, following successful leak testing, e.g. with a WIKA model
6
GIR-10, be put back into service.
Faults in the display unit
Faults
Display unit without function.
Display unit indicates no
value, even though there is a
weight on the scales.
If complaint is unjustified, we will charge you the complaint processing fees.
Faults in the vacuum pump
Faults
Pump is difficult to start. The
speed is too low.
Motor will not start.
36
Clean the instrument with a moist cloth.
■
Do not use aggressive cleaning agents
■
Do not use any pointed or hard objects for cleaning.
■
Causes
Display unit not switched on.
Battery empty.
Defective connection cable/
cable break.
Causes
Oil too cold.
Third-party oil is too viscous.
Pump is dirty.
Motor windings defective.
The connection cable is too
long.
Mains voltage is too low.
Capacitor defective.
Switch defective.
Motor too hot.
Cable defective.
WIKA operating instructions SF
gas, the system must be stopped immediately
6
Measures
Switch on the display unit.
Charge the battery.
Check the connection of the
display unit with the scales.
Measures
Place the pump in a warm
environment.
Replace with original oil.
Carry out the oil change.
Ask customer service.
Use a shorter connection
cable.
Pump is designed for mains
voltage ± 10 %.
Replace capacitor.
Replace switch.
Allow it to cool.
Replace cable.
gas filling cart, model GFU08
6