
Models ER-420-AC, ER-420-DC & ER-420-LP
Display flow rate / total or flow rate
This is the main display information of the ER-420 After selecting any other information, it will always return to this main
display automatically
Total
is displayed on the upper line of the display and
Flow Rate
on the bottom line
It is possible to display
Flow Rate
only with the large 0 67" digits; in this instance press,
SELECT
to read the
Total
When "-------" is shown, then the
Flow Rate
value is too high to be displayed The arrows indicate the increase or decrease of
the
Flow Rate
trend
Clear total
The value for
Total
can be re-initialized by pressing
CLEAR
twice After pressing
CLEAR
once, the flashing text
"PUSH CLEAR" is displayed To avoid re-initialization at this stage, press a key other than CLEAR or wait for 20 secs
Re-initialization of the
Total
DOES NOT influence the
Accumulated
Total
Display accumulated total
When you press
SELECT
, the
Total
and
Accumulated
Total
display The
Accumulated
Total
cannot be re-initialized The value will
count up to 99,999,999,999 The unit and number of decimals are displayed according to the configuration settings for
Total
Display multiplication factor for total and accumulated total
When you press
SELECT
again, the actual multiplier factor is displayed for both totalizers If, for example, the factor is “x100”
and
Total
displays “54321 USGAL”, then the true measured volume is 5432100 USGAL
OTEE:
N
This multiplier does NOT affect the displayed
Flow Rate
!
Alarm 01-03
When the alarm flag starts to blink, an internal alarm condition has occurred Press
SELECT
several times to display the 5-digit
error code The codes are:
•
0001: irrecoverable display-data error: data on the display might be corrupted
•
0002: irrecoverable data-storage error: the programming cycle might have gone wrong: check programmed values
•
0003: error 1 and error 2 occurred simultaneously
The alarm condition will almost certainly be handled internally and if all mentioned values still appear correct, no intervention
by the operator is needed If the alarm occurs more often or stays active for a longer time, please contact your supplier
Page 10
March 2013