2 INTRODUCTION
Manual ERZ2000-DI · EN1.2 · 2017, December 21st
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2
Introduction
2.1 Operation
2.1.1
Front panel
Figure 5: Front panel
The following display and operating elements are located on the front panel:
Green LED
(Network)
Continuously illuminated
: Voltage indicator.
Blinking light
: User or calibration lock opened
Orange LED
(measure-
ment)
Continuously illuminated
: Meter is connected and delivers
measurements.
Blinking light
: Flow rate outside of permissible limits.
Off
: No flow.
Yellow LED
(warning)
Blinking light
:
There is currently a fault (warning) in
non-custody-transfer functions
Continuously illuminated
: A warning is pending
Red LED
(error)
Blinking light
: There is currently a fault in
custody-transfer functions (alarm)
Continuously illuminated
: An alarm is pending