Service manual

SC791: Projector lamp does not go off

Type: 4

- Description -

The projector diagnostics notify the scanner IPU board when the

projector lamp does not go off although the OFF command is issued.

Then the scanner IPU board notifies the SCU of it.

- Detection Timing -

When the projector is stopped

- Possible Causes -

• Projector control board

SP-Log: 7-402-7

SC792: Projector lamp overheat

Type: 4

- Description -

The projector diagnostics notify the scanner IPU board that the

projector lamp has overheated. Then the scanner IPU board notifies

the SCU of it.

- Detection Timing -

When the projector is active

- Possible Causes -

• Projector control board

SP-Log: 7-402-7

SC900: Main counter disabled

Type: 2

- Description -

Communication error between the main counter and main control board

- Detection Timing -

When counter information is uploaded or downloaded

- Possible Causes -

• Main counter

• Main control board

• SCU harness

SP-Log: 7-402-9

SERVICE CALL CONDITIONS

A166/A187/A189 6-30 SM

CÓPIA NÃO CONTROLADA