Monitoring; Troubleshooting Plan - Dreve PCU LED Mode D'emploi

PCU LED

10. Monitoring

The different process parameters are recorded by means of the sensors used in the
PCU LED. These are shown in the final screen in the user level.
Explanation of the parametric representation in the final screen in the user level
Presentation Meaning
216 Sequence number (number of exposure jobs)
01/01/2000 Date
01:17:35 Time
040 LED – intensity of the upper panel in %
040 LED – intensity of the lower panel in %
0800 Exposure time [place 1 and 2: minutes; place 3 and 4: seconds]
1 Vacuum ON [1 – ON; 0 – OFF]
0 Nitrogen OFF [1 – ON; 0 – OFF]
Breakdown of the error codes in the final screen in the user level
Code Status
00 Accurate work flow
01 Pump runs during the exposure process
02 Pump cannot draw any vacuum
03 Lid opened
04 No nitrogen flow
05 Run time of program = 0
06 LED error in program LEDTest

11. Troubleshooting plan

Code Defect Cause
00 Accurate work flow Not applicable
01 Pump is running Cover gasket of
during the exposure exposure chamber
process leaky
Hoses of the vacuum
system leaky
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Background display
Green
Red
Red
Red
Red
Red
Red
Troubleshooting
Not applicable
Replacement
of the lid sealing
Replacement
of the hoses
Code Defect Cause
02 Pump cannot draw Cover gasket for
any vacuum exposure chamber
Cutout after 150 leaky
seconds
Hoses of the vacuum
system leaky
Vacuum pump
defective
03 Lid is opened Lid not closed
LED do not work
Lid control (micro
switch) defective
LED defective
04 No nitrogen flow Nitrogen valve at
the gas cylinder not
opened. Warning:
The device is only o
be operated with a
maximum pressure
of 5 bar (70 psi)
05 run time of no run time of
program=0 program was set
06 LED error in LED defective
program LEDTest
Further
Device does not Network connection
show any function not correct
Main switch off
Main switch
defective
Troubleshooting
Replacement
of the lid sealing
Replacement
of the hoses
Exchange of the
vacuum pump
Close lid
Exchange lid control
(micro switch)
Exchange
of the LED
Open nitrogen valve
gas cylinder not
opened.
set a run time > 0
LED has to be changed
by trained personnel
Control network
connection
Switch on
main switch
Exchange
main switch
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