ABB Endura APA592 Operating Instruction page 80

Endura APA592
pH / Redox (ORP) transmitter
Diagnostic Message
[Sub-error Message]
S070.042
Snsr temperature
under range
S072.041
Snsr temperature
over range
S074.001
Temperature input error
S076.010
PV out of range limits
S078.004
PV out of physical limit
Table 8.2 Diagnostic Messages (Continued)
78
Possible Cause(s)
[Related Condition]
Sensor temperature is below range.
[PROCESS]
Sensor temperature is above range.
[PROCESS]
Temperature related sensor board
electronics error.
[ELECTRONICS]
The analog output for the Primary
Variable is beyond its scaling limit
and no longer represents the true
applied process.
[PROCESS]
The process applied to the sensor
for the Primary Variable is beyond
the operating limits of the device.
[PROCESS]
8 Troubleshooting and Diagnostics
Corrective Action
Verify sensor wiring.
Verify configuration related to temperature sensor
and temperature compensation.
Verify sensor wiring.
Verify configuration related to temperature sensor
and temperature compensation.
Check temperature sensor connections. If a
temperature sensor is not connected, switch
temperature compensation to Manual mode.
If the problem persists, contact factory.
Adjust the working range if possible.
Verify sensor wiring.
Verify configuration setting for the sensor.
OI/APA592–EN Rev. E