Endress+Hauser Mycom S CPM 153, Руководство по эксплуатации

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Mycom S CPM 153 8 Troubleshooting
Hauser 101
8.1.3 Instrument-specific error
Feed forward control
does not work Additional module M3R-x missing Additional module M3R-2 with 1 or
M3R-1 with 2 current inputs See spare parts list in see Chap. 8.3
Incorrect version Resistance input only permissable
with non-Ex.
Feedback input does
not work Additional module M3R-x missing See spare parts list in Chap. 8.3
Resistance input only permissible
with non-Ex.
Feedback incorrect Feedback potentiometer outside
range Smallest permissible potentiometer
1 kohm, largest permissible potentio-
meter 10 kohms
Feedback range not set or not set
correctly Set lower and upper range value in
"PARAM" menu
Data cannot be saved No DAT memory module available DAT available as accessory, see
Chap. 9
Error Possible cause Remedial action Equipment needed,
spare parts
Error Possible cause Tests and / or remedial
action
Equipment, spare parts,
personnel
Display dark, no LEDs
active No mains voltage Check whether mains voltage is
applied Electrician / e.g. multimeter
Incorrect supply voltage or too low Compare actual mains voltage with
nameplate rating
Connection defective Terminal not picked-up; insulation
clamped
Instrument fuse defective (non-Ex) Replace fuse after comparing mains
voltage and nameplate rating Electrician / suitable fuse; see dia-
grams in Chap. 8.7
Instrument fuse defective (Ex instru-
ment) Replace fuse Use Ex fuse; electrician required
Power unit defective Replace power unit, pay attention to
variant On-site diagnosis: all 6 red LEDs on
the M3G module must be lit
Central module defective (if all 6
LEDs on the power unit M3G are lit) Replace central module
pay attention to variant On-site diagnosis by E+H Service
(test module required)
Ribbon cable loose or defective Check ribbon cable Cable soldered onto the site of the
M3G module
Display dark, but
LED active Central module defective
(Module: M3Cx-x) Replace central module M3Cx-x On-site diagnosis by E+H Service
(test module required)
Display functioning, but
not change in display
and/or instrument can-
not be operated Instrument or module in instrument
not correctly installed Check module connections see installation diagram page 105
Operating system in impermissible
state Switch instrument off and on poss. EMC problem: if problem per-
sists, have installation checked by
E+H Service
Instrument gets hot Incorrect mains voltage or too high Compare mains voltage and name-
plate rating
Power unit defective Replace mainboard all 6 red LEDs on the M3G module
must be lit