Compur STATOX 4120 - Manual (Page 21)

Compur Statox 4120
5.1.2 Status messages of the sensor head
Button ST scans the system status:
Code Status and action required
Passed System OK.
Error A1 Amplifier defective: Repeat adjustment or replace pcb.
Error B1 Check battery pack connection. Battery pack discharged or defective, replace.
If battery pack discharges frequently, check charging circuit.
Error B2 Battery pack voltage drops under load.
Error PU Pump energy consumption too high. Replace.
Error T2 Temperature is out of compensation range. Measured values are corrected
with the end of range - value.
Error C1 Zero not found at start of self test (or sensor signal is too high for zero
adjustment).
- check filter cartridge: Fresh? Tight?
- Filter cartridge gas intake at the bottom of the sensor head dirty
- Filter cartridge exhausted
- Dust filter dirty
- Sensor too slow
Error C2 Zero not found at end of self test:
Sensor too slow, replace.
Error C3 Test peak not achieved:
- Sensor too slow
- Sensor lost sensitivity
- Gas generator expired
- Sensor too slow
- Pump defective
- Filter cartridge polluted
Error C4 Zero not found at end of self test:
- Sensor too slow, replace.
- Filter cartridge polluted
- Pump defective
Caution:
Disconnect the diagnostic box first and then switch it off. Don not forget to protect the opto - coupler
with the plug. To preserve battery power, the diagnostic box display goes off after 2 minutes. Operate
any key to switch it on again.
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