12
Status LED
For the display of any error states that may occur, the OTT CBS has a
Status LED
on the front of the device (see Fig. 1).
The following error states can arise:
䊳
level too low (< 5 cm)
1 x flash
䊳
overload (measuring range exceeded)
2 x flash
䊳
power supply voltage too low
3 x flash
䊳
pump motor overloaded
4 x flash
䊳
watchdog error
5 x flash
䊳
data memory defective
6 x flash
䊳
data bus defective
7 x flash
䊳
analog converter defective
8 x flash
䊳
measuring cell defective
9 x flash
The OTT CBS shows an error state when it arises and for approximately 2 minutes
after pressing the
Pump membrane button.
The … defective error states signify hardware problems that can only be rectified
by the OTT Repaircenter (see chapter 11). The
watchdog error error state means
that the OTT CBS has been restarted. No intervention is necessary.
Any error states arising can be displayed as follows:
䡵
Press
Pump membrane button briefly (< 1 second; otherwise the purge function
is called)
→
the LED lights once for a longer period as confirmation
→
Pause
→
1st error state arising (e.g. flashing once)
→
Pause
→
2nd error state arising
(e.g. flashing three times)
→
Pause
→
… . The OTT CBS repeats all error states
arising for approx. two minutes.
Notes
䊳
Interrupt displaying error states: press membrane button briefly.
䊳
If no error state has arisen: the LED lights once for a longer period as con-
firmation.
13 Note about the disposal of old devices
In accordance with the European Union guideline 2002/96/EC, OTT takes back
old devices within the member countries of the European Union and disposes of
them in an appropriate way. The devices concerned by this are marked with the
symbol shown aside. For further information about the return procedure, please
contact your local sales contact. You will find the addresses of all sales partners in
the internet on
www.ott-hydrometry.com. Please take into consideration also the
national implementation of the EU guideline 2002/96/EC of your country.
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