Endress+Hauser Smartec S CLD134 - Instrument-Specific Errors

Troubleshooting Smartec S CLD134
70 Endress+Hauser
9.4 Instrument-specific errors
The table below will help you diagnose problems and specifies the spare parts required.
A diagnosis depending on difficulty and measuring equipment at hand is to be performed by:
• trained operator personnel
• operator’s electricians
• company responsible for system installation / operation
•E+H-Service
Please refer to the chapter "Spare parts" for information on the exact designations of the spare parts
and their installation.
No PROFIBUS
®
communication
No central PA/DP module Verify by looking at nameplate:
PA = -xxxxxxPEx and = -xxxxxxPFx
DP = -xxxxxxPPx
Upgrade to LSCP module,
see chapter "Spare parts".
Incorrect instrument software version
(without PROFIBUS)
For further information, see
BA213C/07/en "Field communication
with PROFIBUS PA/DP".
Commuwin (CW) II:
Incompatible CW II and instrument
software versions
No or incorrect DD/DLL
Incorrect baud rate setting for segment
coupler in DPV-1 server
Incorrect station (master) addressed or
duplicate address
Incorrect station (slaves) address
Bus line not terminated
Line problems
(too long, cross section too small; not
screened, screen not grounded, wires
not twisted)
Bus voltage too low
(bus supply voltage typ. 24 V DC for
non-Ex)
Voltage at instrument’s PA/DP connector
must be at least 9 V.
Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel
Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel
Display dark, no LEDs
active
No mains voltage Check if mains voltage is available. Electrician / e.g. multimeter
Wrong supply voltage / voltage too low Compare mains voltage and rating on
nameplate.
Operator (utility company specification or
multimeter)
Connection fault Terminal not tightened;;
insulation clamped in terminal;
wrong terminals used.
Electrician
Fuse blown Compare mains voltage and rating on
nameplate and replace fuse.
Electrician / correct fuse;
see drawing in chapter "Spare parts".
Power supply unit defective Replace power supply unit using correct
variant.
On-site diagnosis by E+H Service (test
module required)
Central module LSCH / LSCP defective Replace central module using correct
variant.
On-site diagnosis by E+H Service (test
module required)
Ribbon cable between central module
and power supply unit loose or
defective
Check ribbon cable, replace if necessary. See chapter "Spare parts".
Display dark, LED active
Central module defective
(module: LSCH/LSCP)
Replace central module. On-site diagnosis by E+H Service (test
module required)