JUMO flowTRANS MAG I02, Руководство по эксплуатации

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9 Maintenance
76
9.5 Troubleshooting
9.5.1 Solving a problem with the device status LED
9.5.2 Solving a problem without a warning or error message with the device status
LED
Device sta-
tus LED Analog out-
put AO1 Digital outputs
DO1/DO2/DO3 Displayed
message Meaning Measure
Off 0 mA Low signal status PWRFAIL The voltage supply
is too low. • Make sure that the volt-
age supply is between
DC 18 and 36 V.
• If the problem arises
again, contact the man-
ufacturer
The device is not
working.
Off 0 mA Not switched - The device is not
supplied with pow-
er. • Check connection
• Check the installation's
fuse and replace if nec-
essary
• Check that the sys-
tem's switch-off device
is deactivated
• Check that the voltage
supply is working cor-
rectly
Device sta-
tus LED Analog out-
put AO1 Digital outputs
DO1/DO2/DO3 Problem Measure
Regardless of
the color 4 to 20 mA Depending on
switching thresh-
olds or switched
a
Unable to access
the parameters
menus and test
menu • Check the position of the selection
switch to lock or unlock the CONFIRM
key,
 see "Use of the selection
switch to lock or unlock the CONFIRM
key ", page 27
Regardless of
the color 0 mA Depending on the
switching thresh-
olds or switched
a
The current output
emits a 0 mA cur-
rent. • Check the current output's connection
• Check the installation's fuse and re-
place if necessary
• Check the position of the sink/source
selection switch,
 see
chapter 7.3.5 "Connection for the cur-
rent output AO1", page 29
• If the problem arises again, contact
the manufacturer.
The current output
emits a signal be-
tween 0 and 4 mA. • Switch the device's power supply off
and on.
• If the problem arises again, contact
the manufacturer.
Regardless of
the color 4 mA Depending on the
switching thresh-
olds or switched
a
The current output
emits a 4 mA sig-
nal, regardless of
the flow rate dis-
played. • Check the settings for the current out-
put,
 see chapter 8.6.6 "Configuring
current output AO1", page 45