Pfeuffer Contador - Maintenance Tasks; Renewing the Internal Fuse; Inspection Intervals and Functional Checks

Operating Instructions Contador
Page 34 of 40 Revision 6 © 2019 – Pfeuffer GmbH
8.2 Maintenance
8.2.1 Renewing the internal fuse
There is a plug connection in the power switch on the rear panel of the device. An internal glass
microfuse is incorporated in this. Article number see chapter 10.
NOTE
Always refer to the type plate for the precise fuse rating!
 Switch off the CONTADOR using the main switch position 0 and disconnect the
mains plug from the electrical power supply.
 Pull out the plug connection.
 Renew the glass microfuse.
 Insert the plug connection back into the power switch.
 The CONTADOR is ready for operation.
Figure 26: Renewal of the internal fuse
Item
Designation
1
Power switch
2
Pull out plug connection
3
Glass microfuse
4
Plug connection
8.3 Inspection intervals and functional check
Components
Interval for one-shift operations
Normal functional checks:
w
m
¼ y
½ y
1 y
Check keyboard
X
Labels & warning Notes are available and legible (by visual
check)
X
Check all plug-in, screw-in and clamp connections for firm fit,
tighten if necessary
X
Check the protective covering for faults
X
Check display functions
X
Check the beeper
X
Perform an electrical check in accordance with VDE
See DGUV regulation 3