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Liquiport 2000 Ex
#
Trouble-shooting instruc-
tions
Process error messages
Endress+Hauser
9
Trouble-shooting
Warning!
All explosion protection data are given in a separate documentation which is available upon request
(see "Documentation").
9.1
Trouble-shooting instructions
Always begin trouble-shooting using the following checklists if faults occur after commissioning or
during operation. Various queries take you directly to the cause of the error and the remedial action
required.
9.2
Process error messages
These error messages appear on the display and can also be called up in the report list. Error mes-
sages must be acknowledged at the controller so the unit can continue operating safely (see Section
5.4 "Confirmation of error messages")
Error message
ERROR: RAM
ERROR: EEPROM
Charge battery
ERROR: Tap turned
ERROR: Tap zero point
ERROR: 4-20 mA < 3 mA
ERROR: Clock
ERROR: Distributor missing
ERROR: Change hose
ERROR: ml/pulse limit
ERROR: Motor fuse
ERROR: Sensor missing!
ERROR: Sensor medium
ERROR: Pulse time out
.
Cause
New programme transmitted
Battery buffer defective
Device switched off during setup
New programme transmitted
EEPROM defective
Low voltage in battery
Tap has been manually moved
Tap defective or jammed.
Signal transmitter defective, no sig-
nal connected, cable open circuit
Electronics error
Distributor not connected to control-
ler.
Hose worn out
Counter not reset on fitting new
hose
Calculation error in software
Motor current > 5 A
Sensor not connected
Sensor defective
Sampling hose incorrectly installed,
syphon
9 Trouble-shooting
Solution
Repair by E+H Service
End setup and then switch off device
Repair by E+H Service
Charge battery
Check tap.
Check tap or have repaired by E+H
Service
Check signal current, line and signal
transmitter.
Repair by E+H Service
Have distribution system connected
by E+H Service
Change hose and reset counter; see
Section 7 and Section 6.4.8: SERV-
ICE
Check counter in the hose running
time,
Check negative pressure
Check pump
Connect sensor
Repair by E+H Service
Install sampling hose correctly
81
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