Emerson Process Management CFA-3000 Manuale Utente

This chapter is divided into two sections:

•     Troubleshooting Chart: ­a list of symptoms, probable causes, and remedies.
•     Test Functions:– test functions for diagnostic information.

Symptoms observed during operation are generally enough to identify a faulty component.Such symptoms,
together with probable causesand remedies are listed in the following troubleshooting chart.

No power

Power switch

OFF

Press power

switch ON

Power switch

failed

Call Rosemount

Analytical

Pump is 

inoperative

Valve pump

switch OFF 

Press switch ON

Blown fuse 

Replace fuse

Leak detector

activated

Find and fix

leaking; check

pump’s electrical

connection

Bad electrical

connection

Check pump’s

plugs to CPU &

connector

Still inoperative

Call Rosemount

Analytical

Keypad lights or

display fails to

light up 

or buttons fail to

operate

Circuit boards

are not seated

properly

Remove and

reinstall circuit

boards

Display or 

associated

power circuit

faulty

Call Rosemount

Analytical

Keypad lights or

display fails to

light up 

or buttons fail to

operate

Display or
associated

power circuit

faulty

Call Rosemount

Analytical

Connector faulty

or not properly

inserted

Check 

connection