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17 TROUBLESHOOTING GUIDE
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Display
E1
The initialization was tried, but it could not be done.
E2
The defect of Flash Memory was detected.
E3, E9 When the adjustment data was checked, an error was detected.
(The adjustment data may not be written.)
E4
The defect of DSP was detected.
(The chip in DSP may have a defect.)
E5, E6 The defect of DSP was detected.
E7
The defect of synthesized voice was detected.
(The synthesized voice may not be written.)
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Symptom
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Remedy
1.
Confirm Flash Memory is equipped.
2.
Confirm the connection of Flash Memory.
3.
Confirm the power supply of Flash Memory.
When no error is found in above-mentioned items, Flash Memory has a defect.
Replace Flash Memory.
When Flash Memory has the fatal detect, replace Flash Memory.
This error hardly occurs.
1.
Confirm the adjustment data is written.
2.
Confirm Flash Memory is equipped.
3.
Confirm the connection of Flash Memory.
4.
Confirm the power supply of Flash Memory.
When no error is found in above-mentioned items, Flash Memory has a defect.
Replace Flash Memory.
1.
Confirm the connection of DSP.
2.
Confirm the oscillation frequency of DSP.
When no error is found in above-mentioned items, DSP has a defect. Replace DSP.
When DSP has the fatal defect, replace DSP.
This error hardly occurs.
1.
Confirm the synthesized voice is written.
2.
Confirm Flash Memory is equipped.
3.
Confirm the connection of Flash Memory.
4.
Confirm the power supply of Flash Memory.
When no error is found in above-mentioned items, Flash Memory has a defect.
Replace Flash Memory.
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