7.30830.32.00
51
7.4
Hardware test, Fct. 2.03
Please note:
Before beginning the test, deactivate any alarms and controllers as the current output will be tested with test values 4, 4.7 and
23 mA for a short period.
Key
Display
Description
→
if “YES” is selected in Fct. 3.04 ENTRY CODE,
key in 9-stroke CODE 1 now:
→
→
→
↵
↵
↵
↑
↑
↑
.
Fct. 1.00
OPERATION
↑
Fct. 2.00
TEST
→
Fct. 2.01
TEST Q
2x
↑
Fct. 2.03
HARDW. TEST
Hardware test
→
SURE NO
↑
SURE YES
↵
WAIT
Hardware test in progress, duration approx. 60 seconds
- - - - - - - -
1st error
List of errors see sect. 4.5. Errors are
↑
- - - - - - - -
2nd error
always displayed independent of setting in
↑
- - - - - - - -
3rd error
Fct. 1.04. If no error is detected, refer to next line.
↵
Fct. 2.03
HARDW. TEST
Terminate hardware test
(2x) 3x
↵
- - - - - - - -
- - - - - / - - -
back to measuring mode
If you need to return your flowmeter to Krohne, please refer to the last-but-one page of these instructions
7.5
Faults and symptoms during start-up and flow measurement
•
Most faults and symptoms occurring with the flowmeters can be eliminated by following the instructions indicated in the
following tables.
•
For greater clarity, faults and symptoms in the tables are divided into different groups:
-
LED
light-emitting diodes on the front panel (status messages)
-
D
display
-
I
current output I
-
P
pulse outputs P and A1
-
S
s
tatus outputs D1, D2, A1 and A2
-
C
control inputs C1 and C2
Before contacting the Krohne Service Department, please read the instructions in the table.
Group LED
Display
Cause
Remedial action
A/D converter range exceeded
•
Check if setting in Fct.
3.06 (menu “FLOW”) is
“PULSATING”.
•
Reduce flow rate; if
unsuccessful, test as
described in sect. 7.6
Level too low in measuring tube
Fill measuring tube up to at least
10 percent, see also sect. 7.3.
LED 1
Both LED’s flash
Problems in primary head
•
No communication between
primary head IFS 4000 PF
and signal converter IFC
110 PF, check data cable
according to sect. 1.5.6.
•
General failure in primary
head, see sect. 7.6