MBRAUN LABmaster pro sp - Page 245

11 Troubleshooting
Definition of alarm and warning messages
MB-20-G/MB-200G-W_MB-LABmaster_MB-200 MOD_TP700
Operating Manual - V5.0 - 04/2018 - STD
Page
11 - 11
No Description Possible fault causes Solution Elimination
106 Gas purifier: H
2
O
alarm
H
2
O measurement ex-
ceeds the set alarm
limits:
Antechamber leak,
piping leak
Batch introduced con-
tains too much water
vapour
Reactor load has no
cleaning effect
Eliminate leak.
Set more
pump refill
cycles for
automatic
antechamber.
Regenerate
reactor, use
new reactor.
107 Gas purifier: H
2
O
sensor defective
H
2
O analyser defect-
ive
H
2
O analyser un-
plugged
Replace H
2
O
analyser.
Plug in H
2
O
analyser.
108 Gas purifier: O
2
alarm O
2
measurement ex-
ceeds the set alarm
limits:
Antechamber leak,
piping leak
Batch introduced con-
tains too much oxygen
Reactor load has no
cleaning effect
Eliminate leak.
Adjust more
pump refill
cycles for
antechamber
automatic.
Regenerate
reactor, use
new reactor.
109 Gas purifier: O
2
sensor defective
O
2
analyser defective
O
2
analyser unplugged
Replace O
2
analyser.
Plug in O
2
analyser.
110 Gas purifier: blower
pressure sensor de-
fective
Blower pressure
sensor defective
Blower pressure
sensor unplugged
Replace
blower pres-
sure sensor.
Plug in blower
pressure
sensor.
111 Gas purifier: blower
pressure too low
Main blower circula-
tion not working:
Blower unplugged
Blower or frequency
converter defective
Plug in blower.
Replace
blower or fre-
quency con-
verter.
112 Gas purifier: blower
pressure too high
HEPA filter soiled Replace
HEPA filter.