Inficon PCG550 - Page 60

60
tina56e1-f (2015-09)
Trouble shooting gauge
The output signal is available at the sensor cable connector.
In case of an error, it may be helpful to just turn off the
mains supply and turn it on again after 5 s.
Problem Possible cause Correction
Output signal per-
manently
≈0V
Sensor cable defective or not
correctly connected
Check the sensor cable
<ST> lit solid red
No supply voltage Turn on the power supply
Error Remedy the error
Gauge in an undefined status Turn the gauge off and on
again after 5 s (reset)
FAIL PIR1
<ST> lit solid red
Pirani sensor defective Replace the sensor
(
→  62)
Electronics unit not correctly
mounted on sensor
Check the connections
(electronics – sensor)
FAIL CAP1
<ST> lit solid red
Diaphragm sensor defective Replace the sensor
(
→  62)
Electronics unit not mounted
correctly on sensor
Check the connections
(electronics – sensor)
FAIL ATM1
<ST> lit solid red
Atmospheric pressure sensor
defective
Replace the gauge
FAIL EEPROM
<ST> is blinking red
EEPROM error Turn the gauge off and on
again after 5 s (reset)
Replace the gauge
FAIL SENSOR
<ST> lit solid red
Electronics unit not compatible
with the sensor
Replace the sensor
(
→  62)
Replace the gauge