43
11
Troubleshooting
O
2
Gas Regulation
Symptom
Cause
Action
Wrong O
2
level measured at
sample port
System not powered on
Check mains and main fuse
System is on standby or
switched off
Switch the system on
O
2
gas regulator is OFF
Activate O
2
gas regulator by
setting ‘O2.r’ to on in the menu,
“Caution” on page 29
No N
2
or wrong gas type
attached to N
2
gas input
Check gas supply; make sure that
1.0 bar of N
2
gas is applied
Actual gas concentration is
higher or lower than setpoint
Check O
2
set point at ‘O2.SP’ in
the menu, “Caution” on page
29
Actual gas concentration is
higher or lower than setpoint
Calibration of the gas
concentration is needed. Contact
a service technician for help if
required
Poor O
2
gas regulation
Lid(s) are left open
Close lid(s)
Insulation missing or damaged
on lid(s)
Check the grey insulation on
every lid
‘O2.L’ is shown on display
O
2
gas concentration more
than ± 1% from setpoint
Allow system to stabilize by
closing all lids
‘n2.Pr’ is shown on display
No/wrong N
2
gas pressure to
system
Check N
2
gas supply, make sure
that pressure is stable at 0.5-
1.0 bar. If O
2
regulation is not
needed set the ‘O2.r’ to OFF in
the menu to deactivate oxygen
regulation and abort the N
2
alarm,
see “Caution” on page 29 &
“Notes” on page 29
Data Logger
Symptom
Cause
Action
No data is sent to PC
System not powered on
Check mains and main fuse
System is on standby or
switched off
Switch the system on
The ‘rs232’ item in the menu
is set to ‘OFF’ or ‘PDA’ mode
Change to ‘PC see “Activating
Data Log Function for PC” on
page 34
Data cable between incubator
and PC not properly attached
Check connection. Only use the
cable and serial to USB adapter
supplied with the unit
Data logger software/USB
driver not properly installed
Refer to Section 10 for
instructions
Summary of Contents for K-Systems G185 SensorTech
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