Diagnostics and troubleshooting
Liquisys M CCM223/253
84
Hauser
No current output signal
Current output stage defective (
LSCH module only; LSCP module has
no current output)
Check with installed current simulation,
connect mA meter directly to current
output.
If test negative:
Renew central module (pay attention to
variant).
No function of additional
relay
CCM253: ribbon cable loose or
defective
Check ribbon cable seating, renew cable
if required.
See "Spare parts" section.
Only 2 additional relays
can be triggered
Relay module LSR1-2 installed with
2 relays
Upgrade to LSR1-4 with 4 relays.
User or Hauser Service
Additional functions (Plus
package) missing
No or incorrect release code used
If retrofitting: check whether the correct
serial number was quoted when ordering
the Plus package.
Handled by Hauser Sales
Incorrect device serial number saved
in LSCH/LSCP module
Check whether serial number on the
nameplate matches SNR in LSCH/ LSCP
(field S8).
The serial number of the device is
definitive for the Plus package.
Additional functions (Plus
package and/or
Chemoclean) missing
after replacement of
LSCH/LSCP module
Replacement modules LSCH or LSCP
have the
device
serial number 0000
when they leave the factory. The
Plus package or Chemoclean are not
enabled on leaving the factory.
In the case of LSCH/LSCP with SNR
0000, a
device
serial number can be
entered once in fields E115 to E117.
Then enter the release code for the Plus
package and/or Chemoclean.
For a detailed description, see "Replacing
central module" section.
No HART or PROFIBUS
PA/ DP interface function
Incorrect central module
HART: LSCH-H1 or H2 module,
PROFIBUS PA: LSCP-PA module,
PROFIBUS DP: LSCP-DP module,
see field E112.
Replace central module;
user or Hauser Service.
Wrong software
SW version see field E111.
SW can be modified with optoscope.
Bus problem
Remove some devices and repeat the
test.
Contact Hauser Service.
Error
Possible cause
Tests and/or remedial measures
Execution, tools, spare parts
Summary of Contents for Liquisys M CCM223
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