Ecolab LMI 02 User Manual

417102012_LMI02.doc - 87 - Rev. 9-07.08
10 Troubleshooting
NOTE
A “SYSTEM FAULT” is only confirmed after switching the instrument off and on again.
Fault symptom or
display
Cause/fault Remedy
No display
- Display does not light up, no
supply voltage or the fuse is
defective
- Check if there is supply voltage or
check that the fine wire fuse is OK.
Change fuse if necessary.
Conductivity display
instable
- Air lock in the installation area of
the conductivity probe
- Check for air bubbles or insufficient
filling of pipes, follow
recommendation
- Metering enable input is not
closed
- Check the metering enable
connection on the instrument and
system
- Rated value has changed - Correct rated value setting
- Product storage container empty - Check level and level indicator
No metering in spite of
concentration undercut
- Max. metering time has expired - Check metering time limit
- Release signal “VD start” is not
available
- Check release signal to the system
- Metering enable is also active for
pre-metering
- Check metering enable signal
- Product storage container is
empty
- Check level and level indicator
Pre-metering
does not function
- Delay time for pre-metering has
been set
- Check time setting if necessary.
- Detergent storage unit is empty - Connect new container
NO DETERGENT
CHANGE CONTAINER
- Suction lance defect
Connection cable defect
- Replace suction lance
- Alarm delay time t max.
(DETERGENT DELAY TIME) set
too short
- Change alarm delay time
NO DETERGENT
CHECK METERING
- Metering pump is defective - Check metering pump (vent)
- Alarm delay time (detergent
overdose delay) is set too short
(local concentration overrun)
- Change alarm delay time
DETERGENT
OVERDOSAGE
- Relay for activation of “detergent
metering” output defective
- Return instrument for repair
- Check heating device
- Change the temperature limit
LOW
TEMPERATURE
- This alarm appears as soon as
the wash tank temperature drops
below the preset limit and the
delay time for the alarm expires.
- Change the alarm delay time if
necessary
- Check connector
CHECK
CONDUCT. PROBE
- Conductivity probe or connecting
cable defective. Connector not
correct
- Change the conductivity probe if
necessary
SYSTEMS FAULT
MEMORY
- Data in memory is incorrect - Return instrument for repair
- Ensure that connector is correctly
connected.
SYSTEM FAULT 9
- Communication between the
electronic boards has been
interrupted
- Return the instrument for repair if
alarm message persists.

Ecolab LMI 02 Specifications

General

Brand	Ecolab
Model	LMI 02
Category	Measuring Instruments
Language	English