Endress+Hauser TopClean S CPC 30, Руководство по эксплуатации

Страница: 103 / 146

TopClean S CPC 30 8 Trouble-shooting
Hauser 103
Measured values
fluctuate Interference in measuring cable Connect cable screening as per wiring
diagram. Wiring diagram s. page 15
Faults in signal
output line Check line installation, possibly
route line separately.
Interference potential in medium Symmetrical measurement (with PML)
No potential matching (PA/PM)
With symmetrical measurement Connect PA pin in assembly to device
terminal PA/PM. Possibly earth medium by connecting
PA to PE
Controller / limit contact
does not work Controller switched off Activate controller s. chap. 6.5
Controller in “Manual / Off” mode Select "Auto" or "Manual on" mode. Keypad / PARAM / manual
operation / contacts
Pick-up delay setting too long Switch off or shorten pickup delay
period.
"Hold" function active
– "Auto hold" during calibration
– "Hold" input activated
– Manual "hold" active using
keypad
– "Hold" active during configuration
Determine cause of hold and eliminate
if not desired. "Hold" is indicated in display when
active
Controller / limit contact
work continuously Contact in "Manual/on" mode Set controller to "Manual/off" or "Auto".
Dropout delay setting too long Shorted dropout delay period
Closed-control loop interrupted Check measured value, current output
or relay contacts, adjusters, chemical
supply.
No pH/mV current
output signal Line open or short-circuited Disconnect both (!) lines and measure
directly on instrument. mA meter 0–20 mA DC
Output defective Replace controller module See spare parts list in chap. 8.3
Fixed current
output signal Current simulation active Switch off simulation . See DIAG / Service / Simulation
Processor system inactive Switch instrument off and on. EMC problem: If repeated, check
installation
"Hold" is active. "Hold" status see display.
Current output signal
incorrect or different
than expected Incorrect current assignment Check current assignment: 0–20 mA or
4–20 mA selected?
Incorrect signal assignment Any current output can be assigned to
any measured value (pH1 or 2, Temp.
1 or 2, Delta pH) Check under "PARAM" / current
output.
Total load in current circuit too high
(> 500 ohms) Disconnect output and measure
current directly on instrument. mA Meter for 0–20 mA DC
Data cannot be saved No DAT memory module present DAT available as accessory, s.
chap. 9
CPG 30 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 30 does not work
(Ex version) Power supply from CPM 153
defective. Measure, CPG 30 terminals L+/L– DVM 20 V DC
No cleaner conveyance – Tank empty
– Line blocked
– Multihose defective Check error messages
Test functions in manual mode Indicator LED’s CPG 30
(s. fig. 11 / fig. 12, page 16):
V1
: Additional valve 1 active
V2
: Additional valve 2 active
Pump
: Pump stroke check
Rev
: Pump reverse
MEAS
: Assembly in operation
Alive
: LED flashes irregularly if
function o.k.
Assembly stays in
"Service" position
– No compressed air
– Switch to "Maintenance"
– Incorrect position feedback signal
Check error messages
Test functions in manual mode
Assembly stays in
"Measurement" position
Error Possible cause Remedial action Equipment needed, spare
parts