Heyl Testomat 2000 - Testomat 2000 Operational Check List

52
Check List Testomat 2000
®
Dear customers and service technicians,
This check list cannot replace your expertise or extensive experience in fault resolution. It is intended to support fast and systematic error diagnosis
and error documentation. This list does not claim to be complete. We are therefore always grateful for any advice and information you may be able
to provide. General user instructions can be found on the rear of this check list.
The Instrument Manufacturer
Block 1 / Plant and instrument data
T
es
tomat 2000
®
Testomat
®
ECO
Plant type
Instrument type
Instrument no.
Indicator type
Software status
Pump no.
Block 2 / Error message and error history Please mark appropriately (X)
What does your instrument’s error history display?
(“i”
a
nd “Enter” key => operating instructions)
( Error history text )
Does an error message appear on the display?
For example, “Mf. analysis”, “Low water level”, etc.
(See operating instructions: “Error messages /
Troublesho
oting”)
Yes No
( Error message text )
Block 3 / Visual inspection and functional test Please mark appropriately (X) If applicable, values / comments
Is the instrument connected to
the mains voltage specified on the rating plate?
Yes
No
Does a message
app
ea
r on the display?
Yes
No
Does the instrument display a plausible measured value?
(possible manual measurement ___________ value)
Yes No Measured value:
Are the measuring chamber and sight
-
glass windows clean?
Yes
No
Are
the
m
easuring chamber and the water
-
carrying hoses free of leaks?
Yes
No
Is the indicator’s expiry date still valid?
(See expiry date printed on the indicator bott
le)
Yes No Expiry date:
Is the water pressure within the specified range (400 ml/min)?
(See the type plate on the instrument)
Yes No Plant pressure:
Does the drain hose prevent the risk of backwater?
(No “syphoning effect”!!)
Yes No
Is the drain hose free of blockages?
(Microorganisms
caused by contami
nati
on
, etc.)
Yes No
Does the set flushing time/quantity of flush water ensure that only freshwater
is measured?
Yes No Flushing time:
Are the hoses at the dosing pump free from air bubbles?
(Operate the pump manuall
y / Carry out a m
anua
l
analysis)
Yes No
CARRYING OUT A (MANUAL) ANALYSIS
Does the water column rise evenly up to the overflow borehole when filling the
measuring chamber (5 mm below the upper edge of the measuring chamber)?
(If not: check the water pre
ssure, water thro
ughp
ut
/flow controller)
Yes No
Does the indicator pump dose correctly when starting an analysis?
(LED at the pump illuminates!)
Yes No No. of dosing strokes:
Have the indicator and water been mixed properly in the measuring
chamber after the dosing process?
Check the magnetic stirring bar! =>see maintenance manual “Adjust mode”
Yes No
PROGRAMMING DATA / OPERATING CONDITIONS
Have the limit values been set correctly? (Within the measuring
range/according to the perf
ormance limit of
the
pl
ant?)
Yes No Limit values:
Is the Testomat instrument always supplied with mains voltage – except
during maintenance work/emergency situations?
(Temporary shut
down only via the “Standby” key or the “Stop” input!)
Yes No See the “General instructions for
operating Testomat 2000
®
and
Testomat
®
ECO”
Please refer to “Error messages / Troubleshooting” in the operating instructions for further information on error messages and possible causes
of faults.
Further functional tests (e.g. overflow detection and amplification setting => “Special function Adjust mode”) and service instructions can be found
in the
maintenance manual
.
After completing these checks, experience shows that it can be assumed that the checked functions (Block 3) are in effective working order if you
have answered all the questions with “Yes”. We recommend you to carry out these checks during each inspection or if faults occur.