Thermo Scientific STERI-CYCLE i160, User Manual

Page: 127 / 200

6
Handling and control
Measures after power outage
Thermo Scientific
S
TERI-CYCLE
i160
/
i250
6-51
*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.
*3)
waiting time before error message:
- 45 min. after a door was opened,
- 159 min. after a setpoint change.
*4)
This setting can be changed by field service.
0...100%
O
2
Sensor breakage Measured value exceeds
accepted limit Request service X X X
Actual value above Actual value > Set value
+ 1%
*4)
Check the gas supply
source. Reduce
primary pressure to
1 bar (14.5 psi) max. X X X
Actual value below Actual value < Set value
- 1%
*4)
Check the gas supply
source. Replace gas
cylinder. Increase
primary pressure to 1
bar (14.5 psi) max.
Check feeding line. X X X
Error communication Sensor not
communicating with
the main board Request service X X X
Error: Gas cylinder
changeover switch Gas cylinder
changeover switch not
communicating with
the main board automatic X X X
No gas Both O
2
gas cylinders
are empty
Swap at least one O
2
cylinder.
X X X
Cylinder A empty Gas cylinder A is empty Replace gas cylinder A
Cylinder B empty Gas cylinder B is empty Replace gas cylinder B
rH No water Not enough water in
water reservoir. Refill water or, if dry
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 outage“
on page 6-47 . If the
error persists, request
service.
X X X
Control
loop
Failure message Cause Remedy
Alarm
relay Audible
alarm
Log