Technical data

MD400 Scanner Pocket Service Guide 11
Table 6 Indicator Displays
Indicators
RED GREEN Description
OFF ON NO ERROR
ON ON Power/ROM/RAM error
1
1. Run unit diagnostic test 1.
ON BLINK Illumination error
1. Cycle power, correct shading.
2. Replace lamp.
3. Cycle power to run self-test.
4. Failing? Swap scanner.
BLINK BLINK Optical system error
1. Cycle power, correct shading.
2. Replace lamp.
3. Cycle power to run self-test.
4. Failing? Swap scanner.
1
This status also occurs during normal operation when
the scanner is ‘‘busy’’.