Fault Messages; Technical Data - Diehl Metering Aerius Guide D'installation

AERIUS
6.

Fault messages

Each error or fault is indicated on the LC display.
Error code
A9
B4
B7
C0 / C1 / C2 Volume checksum error / suspicion of
C3
7.

Technical data

General
Designation
Measuring principle
Application
Measuring range
- 32 -
Description
Error log full (the error log has a capacity
of 128 entries). –> The meter must be
checked.
Sensor diaphragm is faulty. –> The meter
must be replaced.
Permanent sensor problem. –> The
meter must be replaced.
manipulation or technical defect. ->
Meter must be replaced.
Wrong sensor-specific checksum settings
/ suspicion of manipulation or technical
defect. -> Meter must be replaced.
Value
Microthermal, pressure and
temperature converting
H-gas (EN 437), air
0.04 ... 6.0 m³/h
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