Siemens 7ME6810, Operating Instructions Manual, Page: 88 / 170

Fault
codes Name/text Description Cause Remedy
4 Database
checksum
Corrupted data in ee‐
prom detected by
checksum test made
during power-up
● Power failure during Ee‐
prom write
1. Reset checksum repair alarm via pa‐
rameter 560 and check data.
– All data is checked after operation
(e.g., new flow calculation, writing to
the EEprom, etc.) with a checksum
control. If the checksum result fails,
data will not be considered as valid
and repair data must be made.
2. If data is wrong or checksum error re‐
occurs, replace the PCB board.
The alarm is active until the fault condition
is corrected.
5 Low Power
Alarm
Battery capacity is be‐
low preset threshold
(default 10%).
Power up (temporary
warning – will disappear
after 4 hours)
● Battery capacity low
● Meter has been pow‐
ered up
Check calculated battery capacity (param‐
eter 510) versus battery alarm limit (param‐
eter 206) and replace batteries if necessary
Flow measurement and communication
stop, but display remains active as long as
power is available.
The alarm remains active until the fault con‐
dition is resolved.
6 Flow Overload Flow rate has exceeded
125% of Q3
● Wrong sizing – flow sen‐
sor too small
Check meter sizing for actual installation
Alarm remains active until fault condition is
resolved.
7 PulseA over‐
load
Duty cycle of output A
has exceeded maxi‐
mum possible of 50
● Wrong settings for out‐
put A
Change volume per pulse to a higher value
- see Technical data (Page 98) for pulse
selection.
Note: Pulse A is limited to 100Hz.
The alarm remains active until output pulse
rate drops below maximum pulse rate.
9 Consumption
Interval
Accumulated volume
on totalizer 1 during da‐
ta log period has excee‐
ded the too low or too
high consumption limit
● Flowrate higher or low‐
er than expected
● Wrong parameter setup
Check data logger values and consumption
limit.
Alarm remains active until it is manually re‐
set via parameter 209.
L Leakage Lowest flow rate or vol‐
ume during leakage pe‐
riod has exceeded leak‐
age detection settings
● Leakage in water net‐
work
Check setting and pipe installation.
Alarm is active until it is manually reset by
parameter 208.
Alarm reset resets information as does
leakage period reset (parameter 820).
E Empty Pipe Measured electrode im‐
pedance has exceeded
the empty-pipe detec‐
tion level (parameters
540, 541 and 334)
● Pipe is not filled with
water
Ensure sensor is filled with water.
Alarm remains active until fault condition is
resolved.
Diagnostics and Troubleshooting
9.1 Fault codes
SITRANS FM MAG 8000
88
Operating Instructions, 03/2020, A5E03071515-AH