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9.
Operation
Use the push button to page through the individual displays. When doing
so a differentiation is made between short and long button presses. With a
short button press (<3 seconds) you get to the next display within a loop;
with a long button press (>3 seconds) you get to the next display loop.
The "Energy" window (sequence 1.1) of the main loop is the basic display.
If the button is not pressed for approx.4 minutes, the meter automatically
switches off the display to save power (exception: an error exists). If you
press the button again, the meter returns to the basic display.
10.
Display Error codes
If an error occurs, the error code is displayed in the main loop. All win-
dows, however, can still be accessed by pressing the button. If the button
is not pressed for approx. 4 min, the error code is automatically displayed
again.
The error message disappears automatically as soon as the source of the
error is corrected. All errors that exist for longer than 6 min, are saved in
the error memory.
Error code
Description
C - 1
Basic parameter error in flash or RAM - Meter must be replaced
E 1
Temperature range outside [-19.9 °C...199.9 °C] e.g. sensor short-circuit,
sensor break
E 3**
Forward and return sensor reversed
E 4
Hardware error US measurement, e.g. transducer or control defective or short
circuit
E 5
Communication not possible (too frequent read-out)
E - 6**
Flow direction of flow meter incorrect
E 7
No plausible ultrasound receiver signal, e.g. air in the measuring path
E 8
No primary power supply (only with power supply unit); supply via backup
battery
E 9
Battery nearly discharged, design lifetime reached
E A*
Leak: Pipe break detection
E b*
Leak: Energy meter leak detection
E C*
Leak: Leak pulse input 1
E d*
Leak: Leak pulse input 2
* optional ** application dependent
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