Levelflex M FMP40 FOUNDATION Fieldbus Trouble-shooting
Endress+Hauser 91
9.2 System error messages
Code Description Possible cause Remedy
A102 checksum error
general reset & new calibr.
required
device has been powered off before data
could be stored;
emc problem;
EEPROM defect
reset
avoid emc problem;
if alarm prevails after reset,
exchange electronics
W103 initialising - please wait EEPROM storage not yet finished wait some seconds; if warning
prevails, exchange electronics
A106 downloading please wait processing data download wait until warning disappears
A110 checksum error
general reset & new calibr.
required.
device has been powered off before data
could be stored;
emc problem;
EEPROM defect
reset
avoid emc problem;
if alarm prevails after reset,
exchange electronics
A111 electronics defect RAM defective reset
if alarm prevails after reset,
exchange electronics
A113 electronics defect ROM defective reset
if alarm prevails after reset,
exchange electronics
A114 electronics defect EEPROM defective reset
if alarm prevails after reset,
exchange electronics
A115 electronics defect general hardware problem Reset
if alarm prevails after reset,
exchange electronics
A116 download error
repeat download
checksum of stored data not correct restart download of data
A121 electronics defect no factory calibration existant; EEPROM
defective
contact service
W153 initialising - please wait initialisation of electronics wait some seconds; if warning
prevails, power off device and
power on again
A160 checksum error
general reset & new calibr.
required.
device has been powered off before data
could be stored;
emc problem;
EEPROM defect
reset
avoid emc problem;
if alarm prevails after reset,
exchange electronics
A164 electronics defect hardware problem reset
if alarm prevails after reset,
exchange electronics
A171 electronics defect hardware problem reset
if alarm prevails after reset,
exchange electronics
A221 Probe pulse deviation from
average values
HF module or cable between HF module
and electronics defective
Check contacts on HF module
If fault cannot be eliminated:
Replace HF module
A241 Broken probe Broken probe orvalue for probe length is
too long
Check the probe length in 033,
Check the probe itself,if the probe is
broken, change the probe, or
change to a non contact system
probe break monitoring enabled without
mapping beforehand
disable probe break monitoring,
perform mapping and then
reactivate probe break monitoring
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