KROHNE MFC 400 EN - Manual (Page 116)

7
SERVICE
116
MFC 400
www.krohne.com 08/2013 - 4002075802 - MA MFC 400 R02 en
Service
7.1 Replacing the signal converter electronics
• Remove the front panel. Use a small screwdriver to open the plastic clips that hold the display.
• Remove the 2 locking screws.
• Carefully pull the electronics almost completely out of the housing.
• Remove the 2 connecting cables from the electronics before removing the signal converter
electronics to be replaced.
• To insert the new electronics, first connect the 2 connecting cables to the electronics.
• Carefully push the electronics back into the housing.
• Tighten the 2 locking screws again and secure the display.
i The measuring system recognises the hardware replacement when the power supply is
switched on.
DANGER!
Work on the signal converter electronics may only be performed when disconnected from the
power supply.
DANGER!
Observe the waiting period for Ex devices.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
.book Page 116 Monday, August 26, 2013 9:05 AM