Operation
− Device ON
− Return flow temperature limitation
active
Blinking pattern of the red LED
− Device OFF or in normal operation
− Device starting up
− Zero calibration in progress
− Transit time measurement in progress
Note
The blinking patterns for error indication are listed in the 'Malfunctions' section.
8-2
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
Time in s
Time in s
Time in s
Time in s
Time in s
Time in s
EB 5757-7 EN