Endress+Hauser TopCal S CPC 300, Operating Instructions Manual

Page: 121 / 165

TopCal S CPC 300 8 Troubleshooting
Hauser 121
Feedback incorrect Feedback potentiometer outside
range Smallest permissible potentiometer
1 kOhm, largest permissible potenti-
ometer 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,
s. chap. 9
CPG 300 does not
work
(non-Ex version) No supply voltage Check connection
Fuse defective Check, if necessary, replace
Switch to "Maintenance" Turn switch to "Measure".
CPG 300 does not
work
(Ex version) Power supply from CPM 153
defective. Measure, CPG 300 terminals L+/L– DVM 20 V DC
Pump does not reach
zero position – Air pressure too high, pump
"overrides" correct position
– Upper micro switch is not
closed in the zero position
– Wrong wiring of the switch
– Screw at revolver is missing or
in a wrong position
– Reference value: 5 bar, fine adjust-
ment with needle valve; step
speed 0.5 sec
– Replace micro switch
– Kl. R1/R2: zero position 0 V, other-
wise 3,2 V, switch is a NO contact
– Replace screw, possibly re-adjust
position
Revolver does not turn – Air pressure too low
– Wrong wiring of the switch
– The metal lamina at the switch is
defective
– pneumatic valve 4 does not
open
– Reference value: 5 bar, fine adjust-
ment with needle valve; step
speed 0.5 sec
– Kl. R3/R4: in motion 0 V, otherwise
3,2 V, switch is a NO contact, as
wiping contact
– check, possibly replace
– Does yellow LED shine (in the
lower mid)?
Power supply connected?
Assembly
permanently
proceeds Pneumatic hoses to assembly
connected in a wrong way Check pneumatic hoses.
Assembly proceeds
several times without
correct feedback – Pneumatic connections inter-
changed
– Feedback connected not
correctly
– Feedback switch is wrongly
adjusted
– Assembly has been proceeded
manually. Feedback signal ther-
fore is undefined.
– fig. 5, page 12:
Hose 2 "measuring" to valve 5 in
front, hose 3 "maintenance" to
valve 5 in the back.
– fig. 5, page 12:
Hose 2 "measuring" to multi hose
MS5 (Kl. 11/12), hose 6 "mainte-
nance" to multi hose MS6 (Kl. 13/
14)
– Feedback switch under pressure:
opened: Kl. 11/12-13/14 = 14 V
closed: Kl. 11/12-13/14 = 0 V
– Position change via menu manual
operation
Error Possible cause Remedial action Equipment needed, spare
parts