User Manual

SERVICE

OPTIWAVE 7400-24 C

www.krohne.com12/2015 - 4004901901 - MA OPTIWAVE7400-24 R01 fr

1 Remove the 4 socket head screws at the bottom of the signal converter with a 5 mm Allen

wrench. Keep the screws for the subsequent procedure.

2 Remove the signal converter from the process connection. Make sure that the gasket stays on

the flange connection.

1 Put the OPTIWAVE 7400 signal converter on the flange connection. Make sure that the signal

converter fully engages in the mating part.

2 Tighten the socket set screw at the bottom of the signal converter with a 5 mm Allen wrench.

Procedure 4: How to set the correct offset value (OPTIWAVE 7400)

1 Energize the device.

i The device is in operation and in normal mode. It will not measure correctly until the new

correction offset value is set in menu item 3.1.4 CORR.OFFSET.

2 Push [>

>], 2 × [



] and [>

>] to go to the SERVICE menu (3.0.0).

3 Give the password for the SERVICE menu. If you do not have the password, speak to the sup-

Procedure 2: How to remove the signal converter (OPTIWAVE 7300 C radar level

meters)

Figure 7-1: Procedure 2: How to remove the signal converter (OPTIWAVE 7300 C radar level meters)

Procedure 3: How to attach the OPTIWAVE 7400 signal converter

Figure 7-2: Procedure 3: How to attach the OPTIWAVE 7400 signal converter