Honeywell DPR180 Product Manual page 208

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