Troubleshooting Smartec S CLD132
66 Endress+Hauser
Display shows measured
value but
– value does not change
and / or
– instrument cannot be
operated
Ribbon cable or transmitter module not
properly installed
Reinsert transmitter module, use additional
fastening screw M3 if necessary. Check if
ribbon cable inserted correctly.
Refer to exploded view in chapter "Spare
parts".
Impermissible operating system state Switch instrument off and back on. Possible EMC problem: if problem persists,
check the installation or call E+H Service to
have it checked.
Incorrect display, missing
dots, segments, characters
or lines
Moisture or dirt in display frame, rubber
not pressed on correctly or PCB
contacts soiled
Replace central module LSC....
Emergency: Remove display frame, clean
glass and PCB, dry well and reinstall. Do
not touch conducting rubber with hands!
See chapter "Spare parts".
Instrument gets hot
Incorrect voltage / too high Compare mains voltage and rating on
nameplate.
Operator, electrician
Heating from process or solar radiation Improve positioning or use separate version.
Use sun protection outdoors.
Power supply unit defective Replace power supply unit. Can only be diagnosed by E+H Service.
Incorrect measured
conductivity and / or
temperature value
Transmitter module defective (module:
MKIC), please perform tests and take
measures according to chapter "Process
errors without messages"
Test measuring inputs:
– Simulation with resistance, see table in
chpt. "Instrument check by medium
simulation"
– Connect 100
Ω resistor to terminals
11 / 12 + 13 = display 0 °C
Test negative: replace module (using correct
variant).
Refer to exploded view in chapter "Spare
parts".
Incorrect current output
signal
Not calibrated correctly Test with built-in current simulation (field
O221), connecting mA meter directly to
current output.
If simulation value is incorrect: recalibration
at factory or new LSCxx module are
required.
If simulation value is correct: check current
loop for load and shunts.
Load excessive
Shunt / short-circuit to frame in
current loop
Incorrect mode of operation Check whether 0–20 mA or 4–20 mA has
been selected.
No current output signal Current output stage defective
(LSCH/LSCP module)
Test with built-in current simulation,
connecting mA meter directly to current
output.
If test fails:
Replace central module LSCH/LSCP (using
correct variant).
Additional functions
(extended functions or
measuring range switching)
missing
No or wrong release codes used If upgraded: Check whether correct serial
number was used when ordering extension
functions or MRS.
To be handled by E+H Sales.
Incorrect instrument serial number
stored in LSCH/LSCP module
Check whether serial number on nameplate
matches SNR in LSCH/ LSCP (field S 10).
Instrument serial no. in LSCH/LSCP
module is required for the function
extensions.
Additional (extended
functions or measuring
range switching) not
available after replacement
of LSCH/LSCP module
LSCH or LSCP replacement modules
are supplied with the instrument serial
no. 0000. Extensions are not released
ex-factory.
For LSCH / LSCP with serial no. 0000, an
instrument serial no. can be entered once
in fields E115 to E118.
Then enter release code for extension
package.
For a detailed description, see chapter
"Replacement of central module".
No HART or PROFIBUS
PA/DP interface function
Wrong central module HART: LSCH-H1 or -H2 module,
PROFIBUS PA: LSCP-PA module,
PROFIBUS DP: LSCP-DP module,
see fields E111 ... 113.
Replace central module;
operator or E+H-Service.
Wrong instrument software SW version, see field E111. SW can be changed with Optoscope.
Incorrect configuration See troubleshooting table in chapter
"System errors without messages".
Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel