7-6
7. TROUBLESHOOTING
7.12 SYMPTOM: DISPLAY SHOWS: DATE & TIME NEED RE-ADJUSTMENT
CHECK DIAGNOSTIC / ACTION
1. Check time and date. 1. Readjust time and date.
2. Does it solve?
2. Change the battery.
3. Does it solve? 3. Change the CPU board.
7.13 SYMPTOM: DISPLAY SHOWS: BAD CARRIAGE DIS
CHECK DIAGNOSTIC / ACTION
1. Remove the chart cassette.
2. Push the switch off.
3. Push the switch on.
4. Re-insert the chart cassette.
7.14 SYMPTOM: ANALOG INPUTS OUTSIDE SPECIFIED ACCURACY TOLERANCE
CHECK DIAGNOSTIC / ACTION
1. Is the range configuration for every sensor? 1. NO: Reconfigure the frequency.
2. Is the recorder configured for the correct
supply frequency?
2. NO: Reconfigure the frequency
3. Check the sensors, leads and input
terminals. Are the contacts good?
3. NO: Reconnect properly sensors, leads,
input terminals.
4. Are the environmental conditions outside
rated limits?
4. NO: Ensure that ambient temperature and
relative humidity are within limits. Be sure
delay has been long enough since power
on.
5. Does it solve? 5. NO: Replace the appropriate analog input
card.
6. Replace the backplane board.
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