Metrohm 765 Dosimat - Manual (Page 26)

3.2. Diagnosis
765 Dosimat
22
3.2.2 Summary
3.2.4 Diagnosis of cylinder code..............................................23
3.2.5 Diagnosis of key board....................................................23
3.2.6 Diagnosis of display ........................................................23
3.2.7 Diagnosis analog output .................................................24
3.2.8 Diagnosis of digital timer .................................................25
3.2.9 Diagnosis of analog timer................................................26
3.2.10 Diagnosis of external inputs, outputs..............................26
3.2.11 RAM-test ..........................................................................27
3.2.12
Diagnosis of spindle zero and cock changeover............27
3.2.13 Diagnosis of spindle drive ...............................................27
3.2.3 Prepare instruments for diagnostic tests
1. Power off.
2. Remove exchange unit.
3. Disconnect all cables at rear, except mains cable and keyboard.
4. Power on and simultaneously press key <9> and keep pressed until
diagn. key 0...9
5. The individual inquiries of the several diagnostic steps are accessed using the key
<0> ... <9>, exit is with the key.
diagn. key 0...9
║
║
╠══ < 0 >
║
╠══ < 1 >
║
╠══ < 2 >
║
╠══ < 3 >
║
╠══ < 4 >
║
╠══ < 5 >
║
╠══ < 6 >
║
╠══ < 7 >
║
╠══ < 8 >
║
╚══ < 9 >
cylinder code
keys test
display test
analog output
timer dig. test
timer ana. test
extern in/output
spind. mot. cal.
RAM TEST
RAM init.
Instrument adjustment
1)
1)
This diagnostic step is reserved for the service engineer and therefore will not be described within this document.