7.
Maintenance and Servicing
7.1 Maintenance
7.1.1
General Maintenance Advices
For external cleaning you use please a cotton cloth dampened with clear water. Do not
use any aggressive or abrasive detergents.
Warning: Mains voltage
The instrument contains inside voltage carrying components. Do not introduce
any objects into the openings of the instrument. Keep the instrument dry. Do
not open the instrument.
7.2 Troubleshooting
7.2.1 Trouble
Indication and Error Messages
A malfunction within the DISPLAY ONE is shown by an error message on the display
(
)
Error (Display)
Cause and Remedy
Sensor error. Malfunction in the connection to the
S-Err
transmitter. This message will only be displayed
on the display of the measuring channel.
Err Hi
Significantly above the measurement range.
Replace the transmitter.
Err Lo
Significantly below the measurement range.
Replace the transmitter.
Table 8 – Error Messages
7.2.2
Help in Case of Malfunctions
If the malfunction persists even after having replaced the transmitter, please get in touch
with your nearest Oerlikon Leybold Vacuum GmbH Service Centre.
7.2.3
Exchange of fuses
Use for the exchange of defective device fuses exclusively the fuse type T1.6A H indicated
on the rear site of controller. The both device fuses you can find in the fuse holder of
mains connection (
)
Figure 3, page 12), which can be pried off with a small
screwdriver.
7.2.4 Repair
Defective products must be sent to your nearest Oerlikon Leybold Vacuum Service Centre
for repair. The Oerlikon Leybold Vacuum GmbH cannot assume any responsibility or
warranty if the operator or third persons do repair work on the DISPLAY ONE.
GA 09.034/2.02 – 07/10
17
