Thermo Scientific Heracell Vios 160i CR, Operating Instructions Manual

Page: 135 / 216

6
Handling and Control
Error Messages
Thermo Scientific
Heracell Vios 160i / 250i CR
6-49
0...20%
CO
2
Sensor breakage Measured value exceeds
accepted limit Run auto-start. If
the error occurs
again, troubleshoot
the unit on the basis
of section
“Measures
After Power Out-
age”
on page 6-45 . If
the error persists, call
field service.
X X X
Actual value above Actual value > Set value
+ 1%
*4)
automatic X X X
Actual value below Actual value < Set value
- 1%
*3) *4)
automatic X X X
RH Error
communication RH sensor not
communicating with
the main board automatic X X X
Calibration values too
high/low Max. adjust value for
CO
2
exceeded / not
attained
Acknowledge the
alarm X
Error communication Sensor not
communicating with
the main board automatic X X X
Failure: Gas cylinder
changeover switch Gas cylinder
changeover switch not
communicating with
the main board automatic X X X
No gas Both CO
2
cylinders are
empty
Swap at least one
CO
2
cylinder.
X X X
RH sensor breakage Measured value exceeds
accepted limit Call service. See also
Chapter
“Measures
After Power Outage”
on page 6-45 .
X X X
Gas cylinder A empty Gas cylinder A is empty Replace gas cylinder A
Gas cylinder B empty Gas cylinder B is empty Replace gas cylinder B
Control
loop
Failure message Cause Remedy
Alarm
relay Audible
alarm
Log