JUMO flowTRANS MAG H01, Operating Manual

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10 Error messages
10.2.4 Maintenance
10.3 Overview of the error statuses and alarms
Error no./
area Text in the LCD display Cause Remedy
M099.027
Electronics NV Corrupt NV Memory, SensorMemory,
FRAM defective Contact manufacturer
M094.034
Electronics Current out fault 20 mA loop open, cable break or
no power is connected during op-
eration as passive 20 mA output,
max. permissible load exceeded
or hardware defective Check for incorrect wiring or wire
break. Check that the jumper to
the 20 mA active / passive swi-
tchover is connected correctly to
the backplane in the transmitter
housing.
Comms. to MSP
Check wiring Check whether the external power
is connected during operation as
20 mA passive.
20 mA passive?
Check BR901!
M090.014
Sensor Errors Sensors Comms EMC environment or loose con-
tact on the D1 or D2 terminals or
incorrect wiring or short-circuit or
moisture in the terminal box Check for incorrect wiring (termi-
nals D1, D2), check terminal box
Bad EMC environment
Check wiring
M080.012
Operation Display value is < 1600 h at
Q
max
Display value < 1600 h for Q
max
Change the totalizer unit
Change eng. Unit for Total-
izer
Error no./
area Text in the
LCD display Current
output
behavior Digital
output
behavior Pulse
output
behavior Display Error
can be
masked?
F254.038
Electronics RAM error in Transmitter lout at alarm General Alarm 0 Hz 0 % No
Contact service
F253.037
Electronics ROM error in Transmitter llout at alarm General Alarm 0 Hz 0 % No
Contact service
F252.017
Sensor No Sensor Memory lout at alarm General Alarm 0 Hz 0 % No
Check wiring
Check switch SW3?
F251.040
Electronics FRAM error in the transmit-
ter lout at alarm General Alarm 0 Hz 0 % No
Contact service
F250.016
Electronics Tx memory fault detected lout at alarm General Alarm 0 Hz 0 % No
Contact service
F248.036
Sensor Incompatible snsTx+ lout at alarm General Alarm 0 Hz 0 % No
sns are not the same series
F246.032
Electronics Defect digital potentiometer
Transmitter Hardware fault-
Contact service lout at alarm General Alarm 0 Hz 0 % No
F245.047
Electronics Stack NV Corrupt
Contact service lout at alarm General Alarm 0 Hz 0 % No