Testomat ECO - Error Messages and Troubleshooting; Error Code Reference

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Error Messages / Trouble Shooting
Displayed Message
(flashes at selected display)
Unit result functions Possible causes Remedies
Ff. DOSING PUMP
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Standby
• Dosing pump defective
• No dosing message from the
dosing pump
Replace dosing pump
Check cable to the dosing pump for
correct connection
Mf. TURBID
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Continue measurements
• The water is turbid / dirty
MEASURING RANGE EXCEEDED
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Continue measurements
• The measuring range is
exceeded
Choose another type of reagent
(Basic program)
LOW WATER-PRESSURE
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Standby
• No water input although LED
"IN" lights up
• Inlet pressure too low
• Overflow reagent is not active
Check water inlet
Connector of the inlet valve
oxidised
Clean filter strainer
Replace valve block
Extract pressure regulator valve
Carry out adjustment
Ff. OUTLET TO DRAIN
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Standby
• Water remains in the
measuring chamber although
LED "OUT" lights up
Check water outlet
Connector of the outlet valve
oxidised
Replace valve block
REAGENT LOW
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Continue measurements
• Reagent quantity is below
minimum setting
without BOB: 50 ml (10 %),
with BOB: after calculation!
Check reagent level, fill up if
necessary
(enter level: "M" º SERVICE)
Mf. DIRTINESS
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
- Continue measurements
• Sight-glass windows dirty Clean sight-glass windows
Ff. OPTICS
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Standby
• Plug-in circuit board defective
• Error at the optic component
(Transmitter or Receiver
defective)
Replace plug-in circuit board
Replace measuring chamber
sealing rings
Mf. ANALYSIS
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Standby
Incorrect analysis, e.g:
• Air in the dosing capillary
• incomplete blending
• Reagent too old or use of third-
party reagent
Tighten connections of the dosing
pump
Replace stirring mechanism
Replace suction insert in the bottle
Replace reagent, only use HEYL
Testomat® 2000 reagent
Ff. DOSING FAULT
CANCEL WITH HORN-KEY
S After programming:
Continuous alarm
S Continue measurements
• Dosing inaccuracy of the
dosing pump
Replace dosing pump or return to
the supplier for calibration
Ff. = Function fault
Mf. = Measuring fault