Fault Messages - Bosch ETT 8.70 Instrucciones De Manejo

6.

Fault messages

Any malfunctions detected are indicated by means of an error
message.
An error message is cleared from the display when you acknow-
ledge it. However, it will be displayed again if the cause of the
fault has not been eliminated.
If a number of faults are present at the same time, the next error
message will appear after you have acknowledged one message.
The exhaust-gas measuring instrument is only released again for
operation once all error messages have been displayed.
E r r 1 Poor throughflow
Remedy:
- Blow out sampling hose and probe with compressed air.
- Renew coarse filter GF1.
- Renew intake filter GF2.
- Start measurement again.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 2 Leakage test failed
Remedy:
- Seal leak and start leakage test again.
- Check sampling probe for leaks and fit new probe if necessary.
- Check sampling hose for leaks and fit new hose if necessary.
- Renew filters making sure that they are seated securely.
- Renew intake filter GF2 making sure that it is seated securely.
- Fit filters GF3 and GF4 tightly.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 3 HC residues in gas-sampling system or ambient air
carrying hydrocarbons (e.g. gasoline fumes).
Remedy;
- Start measurement again.
- Pull off sampling hose and blow it out with compressed air in
direction opposite to suction direction.
- Blow out sampling probe with compressed air.
- Renew coarse filter GF1.
- Renew intake filter GF2.
- Hold sampling probe in fresh air and start measurement again.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 4 Activated carbon filter is contamined with HC residues
Remedy:
- Start measurement again.
- Renew activated carbon filter (Figure 1, Item 2).
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 7 EEPROM fault
Remedy:
- Setting parameters (section 5)
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
26
E r r 9 Re-calibration using test gas is necessary
Remedy:
- Re-calibrate as described in section 5.1.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 11 Adjustment of HC signal not within tolerance band
Remedy:
- Start measurement again and initiate system check.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 12 Adjustment of CO signal not within tolerance band
Remedy:
- Start measurement again and initiate system check.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 13 Adjustment of CO
Remedy:
- Start measurement again and initiate system check.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 14 O sensor calibration faulty
2
Remedy:
- Check O sensor connector and calibrate (see Section 5.3).
2
- Renew O sensor.
2
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 15 ADU overflow
Remedy:
- Start measurement again.
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 16 Minimum O sensor voltage fallen below
2
Remedy:
- Check O sensor connector and calibrate (see Section 5.3).
2
- Renew O sensor.
2
If this does not remedy the fault, contact your Bosch After-Sales
Service Center quoting the code number.
E r r 17 Air-pressure measurement faulty
Remedy:
Contact your Bosch After-Sales Service Center quoting the
code number.
E r r 18 Flow-sensor faulty
Remedy:
Contact your Bosch After-Sales Service Center quoting the
code number.
signal not within tolerance band
2