ProcessMaster FEP610, HygienicMaster FEH610 | OI/FEP610/FEH610-EN Rev. B  73 
 
10.3  Replacing the LCD indicator 
 
Fig. 52:  Replace LCD indicator 
A Integral mount design  B Remote mount design 
1 Housing cover  2 Fixing screws for LCD indicator  3 LCD indicator  4 Connector  5 Fixing screws for housing cover (4x) 
 
Change from one to tw o columns 
NOTE  
If the O-ring gasket is seated incorrectly or damaged, 
this may have an adverse effect on the housing 
protection class. 
Follow the instructions in chapter "Opening and closing the 
terminal box" on page 18 to open and close the housing 
safely. 
 
The LCD indicator can be replaced in the event of a 
malfunction. 
 
Component Order number 
LCD indicator (HMI). 
Applicable for integral and remote 
mount design. 
3KQZ407125U0100 
 
 
Replace the LCD indicator as follows: 
1.  Switch off the power supply. 
2.  Unscrew / remove the cover. 
3.  Loosen the screws for the LCD indicator (only on integral 
mount design). 
4.  Remove the LCD indicator.  
5.  Pull the connector out of the electronic. 
6.  Plug in the connector of the new LCD indicator. Ensure 
that the cable harness is not damaged. 
7.  Insert the LCD indicator and screw on /replace the cover. 
8.  Switch on the power supply. 
 
Change from two to one  column 
   
G12030
1
3
4
2
3
4
1
5
A
B