Maintenance
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Malfunctioning/Repairing a defective instrument
The repair of a defective instrument – irrespective of the warranty
period - is only possible when the instrument is dismantled and re-
turned to us with a description of the error. Please also inform us
about the currently used indicator.
Before you return the instrument for repair work, remove the bottle
and ensure that the measuring chamber has been flushed out and
is empty.
Insert a transportation plug into the outlet pipe to prevent leakage.
Use to the enclosed error log to describe the error and return it to
us together with the instrument. If the error log is no longer availa-
ble, download it at www.heyl.de.
Maintenance
Required maintenance measures
Regular maintenance is necessary to ensure trouble-free opera-
tion of the instrument (every six to twelve months)!
At least carry out the maintenance work described in the following
section on a regular basis when
the instrument displays the following error messages:
“Insufficient/Excessive light”, “Low water level” or “Low indicator
level”
the last maintenance was carried out no more than six months
ago.
Cleaning measures
Never use organic solvents to clean the measuring chamber or
other plastic parts! Use, e.g., cleaning spirit.
Always observe the safety regulations when handling cleaning
agents!
As a result of continuous operation, a coloured film may form on
the sight-glass windows. Use cleaning spirit to remove this sticky
film.
Replace the following components at the respective interval:
if LED E4 flashes with “pump head mainte-
nance”
Check the system every 2 years with the pump
head maintenance set and change the head in
case of failure of calibration
Scan the code to
download the latest
service manuals!
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