Metrohm 775 Dosimat - Manual (Page 8)

2.1. Special messages and error messages
775 Dosimat 4
2 Error messages, troubleshooting
2.1 Special messages and error messages
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.
no exch. unit!
Exchange unit is not (properly) mounted.
Exit: Mount Exchange unit properly.