Specifications

2.2 CODE #12 — EXPOSURE LAMP ERROR
- Definition -
• The feedback signal falls below 0.5 volt (r.m.s.) for 1.0 second when the
exposure lamp is on.
• The exposure stays on for longer than 10 seconds.
- Possible Causes -
• AC drive board defective
• Main board defective
• DC harness defective
- Action -
Turn the main switch off and on.
Check the voltage at CN122-10 on the main board after the Start key is
pressed.
Less 24V
than 20V
Replace the main board.
Check the voltage at CN122-7 on the main board.
More than Less than
0.5V 0.5V
Replace the ac drive board.
Replace the main board.
1 December 1990
6-26