Troubleshooting Plan - Input Module - Bosch HMC54151UC/01 Service Manual

4.5

Troubleshooting plan - input module

The following statuses indicate a potentially defective input module.
1. Display segments incomplete.
• Segment is missing.
• Partial segment is missing.
• Character is flickering (note: slight flickering is normal).
2. Comma/decimal point is not displayed or is flashing.
3. Slight brightness variation of one or more of the displayed numerals.
4. One or more displayed characters do not illuminate.
5. Display does not count down while the time is flashing or does not increase in clock mode.
6. Time display jumps visibly during the countdown.
7. Display counts down too quickly during the cooking process.
8. None of the display symbols is indicated after the cooking cycle has been selected.
9. Time is no longer displayed at the end of the cooking process.
10. No acoustic signal can be heard if the correct button is pressed.
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