User Manual

31
Troubleshooting
7.3 Event Codes
Event codes are not displayed on controller and must be downloaded from the event log to
be viewed. Troubleshooting actions are provided in Table 5 on page 30.
High Readings Deionized water turbidity is greater than
0.5 NTU
Clean the instrument.
Access Calibration History for turbidity value of
ultra-filtered water.
Verify the flow is between 200–750 mL/min.
Recalibrate the instrument.
Table 6 Additional Malfunctions Not Recorded in the Event Log (continued)
Symptom Possible Cause Corrective Action
Table 7 Event Log List
Event Event # Data1 Data2 Data3
Bubble Reject Change 0
0 = OFF
1= ON
——
Filter Size Change 1
0 = No avg, 1 = 6 sec
2 = 30 sec, 3 = 60 sec
4 = 90 sec
——
Data Log Interval Change 2
0 = 30 sec, 1 = 1min
2 = 5 min, 3 = 10 min
4 = 15 min
——
Power On 3 1 — —
Calibration 4 Cal Gain Initials —
Verification 5 Expected Value Meas Value Initials
Dark Reading Warning 6 Measured Value — —
Temperature Warning 7 Temperature Value — —
Voltage Warning 8
16 = +5V high
32 = +5V low
64 = V in high
128 = V in low
——
Lamp Warning 9
1 = lamp V high
2 = lamp V low
4 = lamp I high
8 = lamp I low
——
A/D Fail 10 1 — —
Lamp Fail 11 2 — —
Flash Fail 12 4 — —
Output Mode Change 13
0 = Active, 1 = Hold
2 = Transfer, 4 = Normal
——