Frame Unit for F-CM(C)1 (Rev. 05), F-CM(C)REC1 (Rev. 01)
23
Document no. M1144958-001
4Troubleshooting
For troubleshooting, see also "Display Unit: Troubleshooting" section in this manual.
4.1 General
Trouble Cause
What to do
Monitor is not starting
On/Stby key pressed too long. On/Stby key may be pressed for
less than 10 s.
The batteries are empty. Connect the power cord.
On/Stby key may be faulty.
Replace the Display Unit side panel
keyboard foil.
If power cord connected. If the On/
Stby LED is lit or blinks. AC/DC power
unit may be faulty.
Replace the AC/DC power unit.
If the Frame unit fan is running. If AC/
DC power unit is working, the PMB in
the Frame Unit may be faulty.
Replace the PMB.
Monitor is not starting, the
Frame Unit back panel LED is lit.
The connection between Frame Unit
and Display Unit may be faulty.
Check the connector and the cables
between Display Unit and Frame
Unit.
Display Unit voltages are not OK. Replace the Display Unit DC/DC
power board.
Faulty Central Processing Board. Replace the Central Processing
Board.
The monitor starts (Frame Unit
back panel LED is lit and a beep
is heard), but the display
remains black.
The MRI Frame Unit LCD display
cables are loose.
Check the LCD cables and
connectors on the Central
Processing Board and in the Front
Unit.
The backlights are not lit. Connector Board cable may be
loose. Check the cable.
Backlights may be faulty. Replace
them.
Backlight inverter may be faulty.
Replace the inverter.
Module data disappears from
the screen.
Parameter module current (in PMB)
too high.
Detach and change the parameter
module.
PMB module power section may be
faulty. Replace the PMB.
Keyboard not working, but
module communication is OK.
Keyboard cables and connectors, or
Connector Board cable and
connector may be faulty.
Check the Connector Board cable
and connector.
Check the keyboard cable
connection to the connector board.
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