59
8013741/16LH/V1-7/2020-04| SICK
O P E R A T I N G I N S T R U C T I O N S | MCS300P Ex
Subject to change without notice
MAINTENANCE
7
7.2.6
Checking/replacing the desiccant cartridge
Fig. 17: Receiver unit screws
1
Separate the MCS300P Ex from the main power supply using the external main power
switch.
2
In Ex zones:
Wait 15 minutes after switching the main power supply off before opening
the enclosure.
3
Unscrew the 4 screws (5 mm Allen key) of the receiver unit.
4
Open the cover.
Fig. 18: Desiccant cartridge
5
When the desiccant cartridge is
light blue
: Desiccant cartridge is dry and OK.
When the desiccant cartridge is
pink
: Desiccant cartridge is damp.
▸
Renew the desiccant cartridge.
6
Replace the desiccant cartridge:
a) Unscrew the desiccant cartridge with the key.
b) Screw in the new desiccant cartridge.
Observe information on opening the enclosure (
see “Observe before opening the device
).
Spare parts
Part No.
Required for
Desiccant cartridge with key
2010549
----
Tool
5 mm Allen key
4 screws
Desiccant cartridge