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Errors & warning messages
5-3
5975636 ACTAS 2 170297
Causes and Solutions
u
Control Unit not connected to Interface.
u
Interface not powered (check LED).
u
Fuse(s) blown in Interface Unit.
CAUTION : disconnect from line voltage
before opening the unit !
u
No learn config executed yet.
u
Address changed since learn config.
u
Bad RS232 connection.
u
Wrong baud rate in projector (should be 9600).
u
Projector off or in stand by.
u
Bad RS232 connection.
u
Wrong baud rate in projector (should be 9600).
u
Projector off or in stand by.
u
Measuring frequency too high/low.
u
Sensor not positioned correctly on projector.
u
Wrong address recognition in host computer
(should be 252).
u
Wrong baud rate in host computer (should be
9600).
u
Bad RS232 connection.
u
'Host comp' unintentionally selected under
'Adj pict' in 'Edit setup'.
u
Bad RS232 connection.
u
Bad Sensor connection.
Before suspecting the projector circuitry :
u
Check address.
u
Check if all signals arrive correctly.
u
The Sensor is installed correctly.
In case of 'Custom' or 'G2' references :
u
Check if reference values are realistic.
u
The measuring frequency changed since references
were taken.
u
Electronic circuitry is already over compensating for
blue phosphor saturation; just leave the blue tube
to an acceptable defocusing level.
u
Projector RWI software version is too old, use V4.08/
5.08/1.17 or more recent versions.
Problems
Nothing displayed on Control Unit display
Interface powered, but LED not lit
Error message 'Proj. doesn’t listen'
Message '0 proj found' in learn config
Measured reference values too low/high
Error message 'Host comp doesn’t listen'
Error message 'Host comp doesn’t answer'
Error message 'I
2
C bus malfunction'
Out of range errors
HOST COMPUTER COMMUNICATION PROBLEMS
The error and warning messages described in 'Projector
communication problems' also apply for the host com-
puter. In addition, it has another error message :
ERROR:
[7AH]
Host computer
doesn’t answer
ENT:retry
/ EX:abort
ERROR:
[7AH]
Host computer
gives bad checksum
ENT:retry
/ EX:abort
WARNING:
[08H]
Host computer
doesn’t listen
ERROR:
[08H]
Host computer
doesn’t listen
ENT:retry
/ EX:abort
TROUBLE SHOOTING
ERROR:
[4AH]
Host computer
doesn’t understand
ENT:retry
/ EX:abort
means that the host com-
puter answers without pro-
tocol errors, but with infor-
mation not corresponding
to the request from the
ACTAS.
Defocusing :
the defocused level cannot be obtained by defocusing,
because it is already too high.
'ADDR: to locate proj whose RCU is hit' doesn't work
Below, the more or less frequently occurring problems and their solutions are listed :