INFICON
Warning and error messages | 10
T-Guard2_Operating-instructions-jina85en1-13-(2009)
75 / 90
No.
Message
Possible cause
Troubleshooting
E1
24 V at the MC50 is
too low
Fuse F1 on the DC/DC
circuit board is blown
Power supply unit too
weak
Contact INFICON customer
service.
Use a regulated power
supply unit.
E2
24 V of the sensor
heating unit is too
low
Fuse F2 on the DC/DC
circuit board is blown
Power supply unit too
weak
Contact INFICON customer
service.
Use a regulated power
supply unit.
E3
24 V II is too low
Fuse F3 on the DC/DC
circuit board is blown
Power supply unit too
weak
Contact INFICON customer
service.
Use a regulated power
supply unit.
W4
24 V at OPTION
output is too low
Fuse F4 on the DC/DC
circuit board is blown
Power supply unit too
weak
Contact INFICON customer
service.
Use a regulated power
supply unit.
E7
-15 V at the MC50
is too low
DC/DC circuit board is
defective
Contact INFICON customer
service.
E8
15 V at the MC50 is
too low
DC/DC circuit board is
defective
Contact INFICON customer
service.
E9
High voltage is
faulty
Problem in the sensor
electronics
Contact INFICON customer
service.
W11
WISE current not
stable
The device was not
used for several days;
the sensor current
should stabilize after a
long run time.
The helium background
is higher than 20 ppm.
Let T-Guard2 run for 2 hours.
Lower the helium background
in the room.
E12
Wise sensor not
ignited
The Wise Technology
sensor current is too
low 10 min after
switching on
(<5 × 10
-11
A).
Restart the T-Guard. If the
problem still exists, contact
the INFICON customer
service.
E13
Error with heating
regulation
The heating control for
the Wise Technology
sensor is defective.
Restart the device.If the
problem still exists, contact
the INFICON customer
service.
Содержание 540-200
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