Endura APA592
pH / Redox (ORP) transmitter
8 Troubleshooting and Diagnostics
OI/APA592–EN Rev. E
73
F088.016
Sensor electronics failure
or wrong sensor board
[Sensor electronics
interface error]
Data exchange with sensor
electronics board has failed.
[ELECTRONICS]
Power cycle the transmitter and check if the
problem is corrected.
If the error persists, replace electronics.
F106.032
Unreliable output current
The D to A converter is not properly
Calibrated / Trimmed or output
current has reached its hardware
limit.
[ELECTRONICS]
Perform an Output Trimming.
If the error persist, replace the electronics.
F108.035
Output ReadBack failure
The output circuit could be broken
or not correctly calibrated
[ELECTRONICS]
Perform an Output Trimming.
If the error persists replace electronics.
F116.023
Memory Failure
Electronic memory corrupted.
[ELECTRONICS]
Replace electronics. Contact factory.
M023.036
Sensor electronics
voltage warning
Sensor electronics related
malfunction.
[ELECTRONICS]
Check sensor wiring.
If problem persists, contact factory.
M024.033
Power Supply warning
[Power Supply too High]
[Power Supply too Low]
The Device Power Supply is close
to the highest / lowest acceptable
limit.
[CONDITION]
Check the Voltage at the terminal block and if it is
not within the valid range check the external power
supply.
Diagnostic Message
[Sub-error Message]
Possible Cause(s)
[Related Condition]
Corrective Action
Table 8.2 Diagnostic Messages (Continued)