
MIRI
®
II-12 Multiroom IVF incubators User Manual Rev. 4.0
55
Table 30.3
O
2
gas regulator
Symptom
Cause
Action
No O
2
gas regulation
The system is not powered
Check the power mains
The system is on standby or switched
off
Switch the system on
O
2
gas regulator is off
Activate the O
2
gas regulator by
setting “O2” to “ON” in the menu
No N
2
or wrong gas type attached to
N2 gas input
Check gas supply; make sure that
0.6 bar of N
2
gas is applied
The actual gas concentration is higher
than the setpoint
Check the O
2
setpoint
Poor O
2
gas regulation
Lid(s) are left open
Close the lid(s)
Seals are missing on the lid(s)
Replace the seals on the lid(s)
O
2
gas
concentration
indicated red on the display
O
2
gas concentration deviates more
than ±1 from the setpoint
Allow the system to stabilize by
closing all the lids
N
2
gas pressure indicated red
on the display
No/wrong N
2
gas pressure in the
system
Check the N
2
gas supply; ensure
that the pressure is stable at 0.6
bar (8.70 PSI).
If O
2
regulation is not needed, set
the O
2
. to “OFF“ in the menu to
deactivate oxygen regulation and
abort the N
2
alarm
Table 30.4
Data logger
Symptom
Cause
Action
No data is sent to PC
The system is not powered
Check the power mains
The system is on standby or
switched off
Switch the system on
The data cable between incubator
and PC is not properly attached
Check the connection. Use only
the cable supplied with the unit
Data logger software/USB driver
is not installed correctly
Please refer to the software
installation guide
Table 30.5
Display
Symptom
Cause
Action
Missing segment(s) in display
Failure in the PCB
Contact your Esco Medical
distributor for PCB replacement
Table 30.6
Keyboard
Symptom
Cause
Action
The absent or erratic function of
keys
Failure in the keys
Contact your Esco Medical
distributor to replace the keys