FBT 37483_VAIE2550_manual1.pdf - Manuale (Pagina 101)

8-15
USING THE SYSTEM
UK
8.5.1.6 POWER SUPPLY FAULTS
Power supply and display memory diagnostics
From the FAULTS panel (point 8.5.1), press numerical key 4 to
access the panel for viewing the diagnostics of the primary and
secondary power supplies and of the memory for managing the
display.
The diagnostic state of each item monitored is reported, as
shown in the following table.
Press ESC to return to the FAULTS panel.
Label Part being diagnosed Display Cause Action required
All All
OK No failures -
N.T.
NOT TEST. Diagnostics disabled
during configuration (See Set>
BACKGROUND TEST menu)
-
Res.
Failure cleared due to previous
failure signal
Access the Report> FAULTS panel from the
OPERATOR menu and carry out a MANUAL
RESET of the FAILURE signal.
Main P.S.
Primary 230 VAC
power supply
Fault
Primary power supply
not detected
Check the 230 VAC power supply, the connecting
cable and the mains fuse.
If the failure persists, call Servicing.
24Vdc P.S.
Secondary 24 VDC
power supply Secondary power supply
not detected Check the external 24 VDC power supply system.
If the failure persists, call Servicing.
Display
Memory managing the
graphic display
Memory checksum error Contact Servicing.