User`s guide

M3000A/M3046A/M3015A/M3016A Service Guide
5-18 Troubleshooting the Instrument
Monitor screen is blank. Power not connected or not
switched on. Battery is not
installed, is empty, or bat-
tery fuse is blown.
AC Fuse is blown.
Power supply defective.
System board is defective.
Poor connection to display.
Display backlight tubes
worn.
Display defective.
Connect to AC power sup-
ply or fit charged battery
and switch on the Monitor.
Check and replace defec-
tive fuse (the Power Supply
contains two fuses).
Check if the AC power lamp
on the front panel is on or
off.
Check System Board LEDs
(see Troubleshooting the
System Board LEDs).
Check the ribbon-cable con-
nection from the System
Board to the Monitor Bezel
Replace backlight tubes.
Replace display.
Monitor screen is blank but the
Instrument appears to boot as it
should; alarm LEDs switch on/
off, successful test sound, and
yellow LED on the System
Board blinks.
Display cable may be incor-
rectly seated. The display
cable has two rows of con-
nectors. It is possible
(although extremely
unlikely) that the connector
has been fitted one row too
high.
Refit the display cable mak-
ing sure that the two rows of
connectors fit together cor-
rectly. (It is mechanically
not possible for a left/right
misalignment.
No response when touching or
pressing the TouchStrip (or
panel keys).
Poor connection between
the TouchStrip and the Sys-
tem Board.
Defective System Board.
Replace the front-panel
Monitor Bezel.
Replace the System Board.
All patient data is lost or cor-
rupted (indicated in the error
log).
Defective System Board.
Data is stored on the con-
nector board. If it is lost
after 3 hours, the buffer is
defective.
Go to the Service Mode and
perform the extended test. If
the extended test fails,
replace the System Board.
If a battery is in, remove it
and put in new data.
Replace the connector board
and put in some patient data.
If this does not correct the
fault, replace the System
Board.