User manual

1 Conductivity cell constant is out of range.
2 Wrong solution used during calibration. Use 1.00 M NaCl
and recalibrate.
3 Air in conductivity cell during calibration. Flush the flow cell
with calibration solution and recalibrate.
4 Dirty conductivity cell. Clean the flow cell and recalibrate.
5 If the problem remains, change the conductivity cell.
1 The key was pressed during self-test, or is faulty.
2 Switch off the module.
3 Switch on the module.
1 Switch off the module.
2 Check all connections.
3 Switch on the module.
1 Switch off the module.
2 Check all UniNet 1 and UniNet 2 connections.
3 Switch on the module.
1 Switch off the module.
2 Check all connections.
3 Switch on the module.
Exc address in ab.c
Exc instr in ab.c
Exc DIV/O in ab.c
Exc x/y in ab.c
ERROR number 118
ERROR number 106-108
ERROR number 120-121
ERROR number 109-113
ERROR number 100
ERROR key (OK+Esc)
ERROR key (Esc)
ERROR key (OK)
98 Cal failed. Cell
constant not 0.1-300
Monitor UPC-900
User Manual 18-1125-55 Edition AE
33
Trouble-shooting 5