Siemens SIPROCESS GA700 Operating Manual page 265

Mes-
sage
No. Text
11 Maximum temperature
exceeded. Heaters turned
off.
14 Atmospheric pressure
measurement outside
tolerance.
15 Sample gas pressure
outside tolerance.
20 Intensity outside toler-
ance.
22 Calibration tolerance
exceeded at zero point.
23 Validation tolerance ex-
ceeded at zero point.
24 Calibration tolerance
exceeded at span point.
25 Validation tolerance ex-
ceeded at span point.
27 Signal frequency
changed. Normalization
required!
28 Control reserve used up.
Operating with the Local User Interface
Operating Manual, 06/2017, A5E31930478-05
Cause
Safety function
•
Ambient temperature too high
•
One or more heater control loops
•
faulty
Atmospheric pressure< 500 hPa or >
•
1500 hPa
Atmospheric pressure sensor faulty
•
Hose connection to atm. pressure
•
sensor loosened
Pressure sample gas < 500 hPa or >
•
1500 hPa
Sample gas outlet closed
•
pressure sensor faulty
•
Gas path to the pressure sensor un-
•
tight
Gas path to the pressure sensor
•
blocked
Source defective
•
Receiver chamber faulty
•
Zero gas changed, setpoint faulty
•
Drift in the analyzer
•
Span gas changed, setpoint faulty
•
Drift in the analyzer
•
Alarm, error, and system messages
7.3 ULTRAMAT 7 message list
Remedy
Wait until the device has cooled
•
down.
Then acknowledge the message.
•
You should also note the messages in
•
the logbook.
Check the input of the atmospheric
•
pressure sensor.
Check the sample gas pressure in the
•
menu "[2.20.04] Calibrate pressure
sensor".
Exchange the IR radiators.
•
Clean the cuvette.
•
Check the setpoint for the zero gas
•
calibration in the menu "[2.08.1.1]
Setpoints"
O7/U7: Check the reference gas
•
supply
Carry out a zero gas calibration.
•
Check the setpoint for the span gas
•
calibration in the menu "[2.08.1.1]
Setpoints"
U7/O7: Check the reference gas
•
supply.
Carry out a span gas calibration.
•
Carry out a normalization calibration
•
menu "[2.20.3.3] Normalization"
Check the zero gas and reference
•
gas supplies.
265