Siemens Maxum II Manual page 80

General Maintenance and Troubleshooting
4.6 Alarm Codes, Descriptions, and Suggested Actions
# Text
4601 ? Temperature Deviation Ex‐
ceeded on %4
4817 ! AI Underflow Fault on %4
4818 ! AI Overflow Fault on %4
4819 ! External ADC HW is not re‐
sponding on %4
4820 ! External AO is not calibra‐
ted on %4
4821 ! External AI is not calibrated
on %4
4857 ? External AI underflow on
%4
4858 ? External AI overflow on %4 One or more AIs on the module has en‐
5117 ! Alarm [5117 - 5140] on %4 A fault alarm was generated on an un‐
- 5140
5157 ? Warning [5157 - 5199] on
- 5199 %4
5200 + Note [5200 - 5220] on %4
- 5220
80
Description
Advance Adapter Temperature Control‐
ler PIC: The measured temperature de‐
viation (TEMP_DEVIATION) has excee‐
ded the corresponding MAX_DEVIA‐
TION value. The PID control did not suc‐
cessfully control the heater with the de‐
sired precision. A large deviation is nor‐
mal on power-up and immediately follow‐
ing a change in the temperature setpoint.
Only small deviations are expected dur‐
ing normal operation.
One or more AIs on the module has en‐
countered a voltage or current underflow
situation.
One or more AIs on the module has en‐
countered a voltage or current underflow
situation.
Timeout or communication error with an
Analog to Digital Converter.
One or more AO channel has an invalid
calibration record in the EEPROM of the
module.
One or more AI channel has an invalid
calibration record in the EEPROM of the
module.
One or more AIs on the module has en‐
countered a voltage or current underflow
situation.
countered a voltage or current overflow
situation.
recognized I2C module.
A warning alarm was generated on an
unrecognized I2C module.
A note alarm was generated on an un‐
recognized I2C
Action
Check for these causes of temperature
instability:
Fast variation in the ambient tempera‐
ture, airflow or line voltage. Insufficient
air flow.
A temperature setpoint too high for the
allowed T-rating.
A defective DPM.
A defective Solid State relay.
Make sure that the signal going to all
AIs is within the range of the inputs.
Make sure that the signal going to all
AIs is within the range of the inputs.
Reset the device.
If the problem recurs, replace the mod‐
ule.
Reset the device.
If the problem recurs, replace the mod‐
ule.
Reset the device.
If the problem recurs, replace the mod‐
ule.
Make sure that the signal going to all
AIs is within the range of the inputs.
Make sure that the signal going to all
AIs is within the range of the inputs.
Update to the latest software version.
Make sure that the latest text files are
loaded.
Update to the latest software version.
Make sure that the latest text files are
loaded.
Update to the latest software version.
Make sure that the latest text files are
loaded.
Maxum edition II Analyzer General Maintenance
Manual, August 2018, A5E42019842001