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Rapidlab 1200 Operator's Guide: Troubleshooting
D78 Codes
D78 No Reagent Detected at CO-ox: 1
Problem
Fluid detector 3
(FD3), the CO-ox
sample chamber, or
both do not detect
wash reagent
during a
calibration.
D78 No Reagent Detected at CO-ox: 2, 3
Problem
Fluid detector 3
(FD3), the CO-ox
sample chamber, or
both do not detect
wash reagent
during a wash
cycle.
2 after calibration
3 after sample
Corrective Action
•
Perform the highlighted test(s) in
.
Functions
•
If the problem persists, select
and look for obstructions in the CO-ox
Functions > RCx
sample path.
Remove obstructions.
•
Repeat the RCx test to check flow through the CO-ox
sample path.
•
Perform a leak test.
Refer to Performing the Leak Test‚ page 6-37. If the test
fails, check the tubing for leaks, and that the tubing is
correctly installed in the pinch valve, the O-rings are in
place, and the spring-loaded latch is closed. For
Rapidlab 1245 and 1265 systems, verify that the CO-ox
sample chamber is installed correctly.
•
If no other D codes occur, replace the CO-ox sample
chamber.
•
If the problem persists, call for technical assistance.
Corrective Action
•
Perform the highlighted test(s) in
.
Functions
•
If the problem persists, select
and look for obstructions in the CO-ox
Functions > RCx
sample path.
Remove obstructions.
•
Repeat the RCx test to check flow through the CO-ox
sample path.
•
Perform a leak test.
Refer to Performing the Leak Test‚ page 6-37. If the test
fails, check the tubing for leaks, and that the tubing is
correctly installed in the pinch valve, the O-rings are in
place, and the spring-loaded latch is closed. For Rapidlab
1245 and 1265 systems, verify that the CO-ox sample
chamber is installed correctly.
•
If no other D codes occur, replace the CO-ox sample
chamber.
•
If the problem persists, call for technical assistance.
Diagnostics > Fluidic
Diagnostics > Fluidic
Diagnostics > Fluidic
Diagnostics > Fluidic
02087462 Rev. V
6-73
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Table of Contents
Troubleshooting
