Maintenance and care
PlasmaQuant PQ 9000
Edition 05/2014
57
Figure 22
Gas distribution during pure argon operation
8.2.9
Changing fuses
A red lamp lights at the fuse holder if a fuse is damaged. Use only fuses of the following type:
Fuse number
Type
Protected electrical circuit
S1
10 A NFC 10x38 gG AC 400 V
Spectrometer
S2
6 A NFC 10x38 gG AC 400 V
Tubular heating generator
S3
25 A NFC 10x38 gG AC 400 V
Power supply unit generator
The fuse holders are located on the terminal strip on the left-hand side of the device.
1. Switch off the PlasmaQuant PQ 9000 at the
power switch.
2. Pull the cover in front of the side connections
from the upper mounting and lift it up from the
bolts on the floor plate of the device.
3. Open the fuse holder to the front.
4. Replace the fuse.
5. Close the fuse holder.
6. Reattach the cover. Place the cover plate on the bolts on the floor plate and press it into
the mounting at the top.
7. Switch on the PlasmaQuant PQ 9000 at the power switch.
In case of repeated fuse failure, inform the service department at Analytik Jena AG.