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Control
Failure message
loop
0...100%
Sensor breakage
O
2
Actual value above
Actual value below
Error communication
Error: Gas cylinder
changeover switch
No gas
Cylinder A empty
Cylinder B empty
rH
No water
*1)
This error appears on the display only; it is not entered in the error log.
*2)
When this error occurs, a special control mode is activated to protect the samples. An icon appears
to indicate this mode.
waiting time before error message:
*3)
- 45 min. after a door was opened,
- 159 min. after a setpoint change.
*4)
This setting can be changed by field service.
Thermo Scientific
Cause
Measured value exceeds
accepted limit
Actual value > Set value
*4)
+ 1%
Actual value < Set value
*4)
- 1%
Sensor not
communicating with
the main board
Gas cylinder
changeover switch not
communicating with
the main board
Both O
gas cylinders
2
are empty
Gas cylinder A is empty Replace gas cylinder A
Gas cylinder B is empty Replace gas cylinder B
Not enough water in
water reservoir.
Alarm
Remedy
relay
Request service
X
Check the gas supply
X
source. Reduce
primary pressure to
1 bar (14.5 psi) max.
Check the gas supply
X
source. Replace gas
cylinder. Increase
primary pressure to 1
bar (14.5 psi) max.
Check feeding line.
Request service
X
automatic
X
Swap at least one O
X
2
cylinder.
Refill water or, if dry
X
operation is desired,
de-activate the water
level sensor. In case
the failure message
occurs again after
filling, troubleshoot
the device according
to Section
"Measures
After Power Out-
age"
on
page
6-47. If
the error persists,
request service.
S
TERI-CYCLE
6
Handling and Control
Measures After Power Outage
Audible
Log
alarm
X
X
X
X
X
X
X
X
X
X
X
X
X
X
i160 LK / i250 LK
6-51
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