36
WIKA operating instructions SF
6
gas filling cart, model GFU08
14033074.01 11/2018 EN/DE/FR/ES
EN
9.2 Cleaning
CAUTION!
■
Clean the instrument with a moist cloth.
■
Do not use aggressive cleaning agents
■
Do not use any pointed or hard objects for cleaning.
10. Faults
In the event of leaks on lines filled with SF
6
gas, the system must be stopped immediately
by closing the gas cylinder valve and the leaks must be eliminated by skilled personnel.
The SF
6
gas filling cart can, following successful leak testing, e.g. with a WIKA model
GIR-10, be put back into service.
Faults in the display unit
Faults
Causes
Measures
Display unit without function.
Display unit not switched on.
Switch on the display unit.
Battery empty.
Charge the battery.
Display unit indicates no
value, even though there is a
weight on the scales.
Defective connection cable/
cable break.
Check the connection of the
display unit with the scales.
If complaint is unjustified, we will charge you the complaint processing fees.
Faults in the vacuum pump
Faults
Causes
Measures
Pump is difficult to start. The
speed is too low.
Oil too cold.
Place the pump in a warm
environment.
Third-party oil is too viscous.
Replace with original oil.
Pump is dirty.
Carry out the oil change.
Motor windings defective.
Ask customer service.
The connection cable is too
long.
Use a shorter connection
cable.
Mains voltage is too low.
Pump is designed for mains
voltage ± 10 %.
Motor will not start.
Capacitor defective.
Replace capacitor.
Switch defective.
Replace switch.
Motor too hot.
Allow it to cool.
Cable defective.
Replace cable.
9. Maintenance and cleaning / 10. Faults
