4 troubleshooting – INFICON PCG55x ATM to Medium Vacuum Gauge User Manual
Page 62
 
62
tina56e1-d (2014-01)
6.4 Troubleshooting
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
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
Pirani sensor defective Replace
the
sensor
(
→  61)
Electronics unit not correctly 
mounted on sensor 
Check the connections 
(electronics – sensor) 
FAIL CAP1
Diaphragm sensor defective Replace
the
sensor
(
→  61)
Electronics unit not mounted 
correctly on sensor 
Check the connections 
(electronics – sensor) 
FAIL ATM1
Atmospheric pressure sensor 
defective 
Replace the gauge
FAIL EEPROM
EEPROM error 
(the LED <ST> is blinking red) 
Turn the gauge off and on 
again after 5 s (reset) 
Replace
the
gauge
FAIL SENSOR
Electronics unit not compatible 
with the sensor 
Replace the sensor 
(
→  61)
Replace
the
gauge