Error Messages/Troubleshooting - Heyl Testomat 2000 PO4 Manual De Instrucciones

Displayed message (flashes at
selected display)
Ff. POWER FAILURE 24 V

CANCEL WITH HORN KEY
Ff. DOSING PUMP

CANCEL WITH HORN KEY
Mf. TURBID

CANCEL WITH HORN KEY
MEASURING RANGE EXCEEDED

CANCEL WITH HORN KEY
LOW WATER LEVEL

CANCEL WITH HORN KEY
Ff. OUTLET TO DRAIN

CANCEL WITH HORN KEY
LOW REAGENT LEVEL

CANCEL WITH HORN KEY
Mf. SOILING

CANCEL WITH HORN KEY
Ff. OPTICS

CANCEL WITH HORN KEY
MAINTENANCE INTERVAL
EXCEEDED BY
XXX DAYS

CANCEL WITH HORN KEY
CHANGE PUMP HEAD 1
CHANGE PUMP HEAD 2
Abbreviations: Ff.: = function fault, Mf. = Measuring fault

Error messages/Troubleshooting

Instrument result functions
- After programming:
Continuous alarm or message
impulses
- Standby
- After programming:
Continuous alarm or message
impulses
- Standby
- After programming:
Continuous alarm or message
impulses or no message
- Continue measurements
- After programming:
Continuous alarm or message
impulses or no message
- Continue measurements
- After programming:
Continuous alarm or message
impulses
- Standby
- After programming:
Continuous alarm or message
impulses
- Standby
- After programming:
Continuous alarm or message
impulses or no message
- LED and output
"maintenance" on
- Continue measurements
- After programming:
Continuous alarm or message
impulses or no message LED
and output "maintenance" on
- Continue measurements
- After programming:
Continuous alarm or message
impulses
- Standby
- After programming:
Continuous alarm or message
impulses or no message
- LED and output
"maintenance" on
- Continue measurements
- After programming:
Continuous alarm or message
impulses or no message
- LED and output
"maintenance" on
- Continue measurements
Error messages/Troubleshooting
Possible causes
- Internal power failure of the
24 V supply
- Dosing pump is defective
- No dosing message from
the dosing pump
- The water is turbid / soiled
- The measuring range has
been exceeded
- No water input although
LED "IN" lamp illuminates
- Inlet pressure too low
- Overflow detection does not
react
- Water remains in the
measuring chamber
although LED "OUT"
illuminates
- Minimum reagent quantity
not reached
- Sight-glass windows are
soiled
- Plug-in circuit board
defective
- Error at the optical
component (transmitter or
receiver defective)
- Programmed maintenance
date reached or exceeded
- end of lifetime
Remedies
 Replace fuse F4 or F8
(The control lamp "Power"
of the dosing pump should
illuminate)
 Replace dosing pump
 Check cable to the dosing
pump for correct
connection
 Check water inlet
 Connector at the inlet
valve oxidised
 Clean filter strainer
 Replace valve block
Extract pressure controller
valve body
 Replace fuse F6
 Check water outlet
 Connector at the outlet
valve oxidised
 Replace valve block
 Check reagent level and,
if necessary, refill
(enter the filling quantity!)
 Clean sight-glass windows
 Replace plug-in circuit
board
 Replace the measuring
chamber holder
 Carry out maintenance
and subsequently cancel
or confirm
 Change pump head and
confirm
47