Diagnosis of cylinder code, Diagnosis of key board, Diagnosis of display – Metrohm 765 Dosimat User Manual
Page 27: 4 diagnosis, Of cylinder code, 5 diagnosis, Of key board, 6 diagnosis, Of display, 4 diagnosis of cylinder code
3.2 Diagnosis
765 Dosimat
23
3.2.4 Diagnosis of cylinder code
1.
Prepare instrument for diagnostic test (see chap. 3.2.3).
2.
<0>
cylinder code
3.
no exch. unit!
4.
Insert (dummy) exchange unit.
code: xx ml
5.
Check whether the displayed ml-Code (xx ml) corresponds to the exchange unit.
Various exchange units can be inserted to verify their ml-code.
If an exchange unit is coded incorrectly or if the code switches are inoperative, the display shows: E 90: ..
no code!
6.
diagn. Key 0...9
3.2.5 Diagnosis of key board
1.
Prepare instrument for diagnostic test (see chap. 3.2.3).
2.
<1>
keys test }
3.
key: rate
The display requests to press the key
4.
If the correct key was pressed and the test was positive the name of the next key to be pressed will be dis-
played.
Display E 10: and on the right-hand side the name of an other key indicates a fault in the keyboard matrix, or
the wrong key was pressed.
A fault indication may be cancelled by pressing
whether you want to stop the test or not.
- To stop press
- To continue press
After pressing the last key (GO), the following appears:
keys o.k.
5.
diagn. key 0...9
3.2.6 Diagnosis of display
1.
Prepare instrument for diagnostic test (see chap. 3.2.3).