Pr
o
Minent
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Page 139
Troubleshooting
11
Troubleshooting
CAUTION
• Please also read the operating instructions of the controllers and fi ttings and any other
existing assemblies such as sensors, sample water pump … !
• Please observe the safety data sheets for the media involved in your process!
NOTE
• With terminal box: A terminal diagram is enclosed with the documentation of the
DULCOTROL
®
measuring/control station.
Troubleshooting
Cause
Remedy
No or insuffi cient sample
Filter clogged
Clean or replace fi lter.
water fl ow
See manufacturer’s docu-
mentation
Sample water pump with no
Control and repair of the
or
insuffi cient function
electrical supply, if required.
See terminal diagram.
Mechanical causes:
See manufacturer’s docu-
mentation
Heat exchanger clogged
Replace heat exchanger
Malfunction of the pressure
Check, clean and replace,
reducer
if required, pressure reducer.
See manufacturer’s docu-
mentation
Clogging of the piping system Check and clean, if required,
piping system
Inadequate metering and
Controller with no or
Control and repair of the
control performance
insuffi cient function
electrical supply, if required.
See terminal diagram and
operating instructions of the
controller
Defective or inaccurately
See the operating instruc-
calibrated
sensors
tions of the sensor, chapter
“Troubleshooting”, and the
operating instructions of the
controller, chapter “Errors /
Notes / Troubleshooting”
Control and repair of the
electrical supply, if required.
See terminal diagram.
Inadequate composition
Please observe the safety
and/or concentration of the
data sheets for the media
metering media
involved in your process!
Check the quality and/or
quantity of the metering
media and adjust, if required
Incorrect assignment of the
Check the assignment of
metering media
the metering media and
correct, if required
BA_DR_002_02_09_GB_Cooling.indd 139
BA_DR_002_02_09_GB_Cooling.indd 139
24.02.2009 11:56:12 Uhr
24.02.2009 11:56:12 Uhr