Revision 5.5
101
11
Troubleshooting
11.1
Messages on the Display
An automatic self-test routine permanently monitors the system and ensures the safety of
patients, surgical team and laser surgical unit. Operational and functional faults are indicated
by messages on the display.
Additionally, the device automatically switches into STANDBY mode.
The messages remain on the display until the
STANDBY
key is pressed.
After pressing the
STANDBY
key, the cause is checked. If the cause does no longer exist,
normal operation of the laser surgical unit can be resumed.
11.2
Messages and Required Actions
The following messages can appear on the display:
11.2.1
Interlock Error
The message
INTERLOCK ERROR
appears on the display. There are 2 possible causes for this
message:
•
The external interlock circle is interrupted. It is closed by plugging the interlock connector
into the connection socket (4, Fig. 5-1, page 30) on the rear of the laser surgical unit.
—
Check door contact switch.
—
Check the interlock connector on the rear of the MCO 25 plus.
•
The mirror joint arm is not connected or not fully screwed on. This is controlled by a micro
switch that triggers the message
INTERLOCK ERROR
if there is a fault.
—
Check the mounting condition of the mirror joint arm.
11.2.2
Please Connect Scanner
The message
PLEASE CONNECT SCANNER
appears if the scanner mode is selected but the
scanner is not connected.
•
Switch off MCO 25 plus.
•
Connect scanner cable to laser surgical unit and scanner head
•
Check plug connections.
•
Switch laser on again and activate scanner function.
