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Error messages, troubleshooting, Special messages and error messages, 3 error messages, troubleshooting – Metrohm 765 Dosimat User Manual

Page 23: 1 special messages and error messages

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3.1 Special messages and error messages

765 Dosimat

19

3 Error messages, troubleshooting

blinking value

The value keyed in is out of the input range.

3.1 Special messages and error messages

cylinder empty!

The Dosimat is set to "auto fill off" and one burette volume has

been expelled in mode DOS.

Exit:

error 1

Check sum error in PROM.

Remedy: Call Metrohm-Service

error 2

RAM-check: Error in on-chip-RAM.

Remedy: Call Metrohm-Service

error 3

RAM-check: Error in off-chip-RAM.

Remedy: Call Metrohm-Service

error 4

RAM-check: Error in on- and off-Chip-RAM.

Remedy: Call Metrohm-Service

error 5

Check sum error in off-chip-RAM.

Remedy: RAM has to be re-initialized: Switch Dosimat off.

Press during switching it on again. Display shows

"RAM init.". Press . Display shows "RAM init. passed".

leads to basic program.
Note: Stored user modes will be cleared on re-initializing of the

RAM and standard mode DOS is loaded into the working

memory.

INF

In mode DOS, a result has been calculated with s=0 or the

calculated result is larger than the range of numbers which can

be displayed (1 E+39).

Exit:

NaN

(Not a number). In mode DOS, a result has been calculated

with s=0 and f=0.

Exit:

no exch. unit!

Exchange unit is not (properly) mounted.

Exit: Mount exchange unit properly.

Note: The filling rate is set to maximum.

V> XXXX ml

In mode CNT D the volume to be dosed is >999.999 mL.

Exit: and enter new weight.

V< XXXX ml

In mode CNT D the volume to be dosed is smaller than the

smallest possible increment which can be dosed with the ex-

change unit mounted.

Exit: and enter new weight.