MBRAUN LABmaster pro sp - Page 243

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 - 9
No Description Possible fault causes Solution Elimination
51 Motor guard on com-
pressor for refrigera-
tion has triggered
Compressor for refri-
gerator defective
Replace com-
pressor
MBRAUN-
Service /
HVAC
technician
52 Motor guard on com-
pressor for box cool-
ing has triggered
Compressor for box
cooling defective
Replace com-
pressor.
MBRAUN
Service /
HVAC
technician
55 O
2
too high automatic
purge device is active
User note: oxygen
value higher than
alarm threshold
Purge box is
activated auto-
matically.
59 Spincoater suction
valve not open
Suction valve on spin-
coater defective
Control pressure too
low
Replace suc-
tion valve
spincoater.
Set control
pressure to
6bar.
60 Spincoater: power
supply fault
Power supply cable
not plugged in
Spincoater power sup-
ply defective
Plug in cable.
Replace spin-
coater power
supply.
Activate spin-
coater on
touch panel.
96 Clean the H
2
O sensor.
See operating manual
(acknowledge mes-
sage)
Maintenance interval
time H
2
O analyser ex-
ceeded
Clean H
2
O
analyser ac-
cording to
MBRAUN Ser-
vice instruc-
tions.
Reset the H
2
O
analyser run
time.
97 Gas purifier: reactor 1
main valve input not
closed
Main valve defective
Control pressure too
low
Replace main
valve.
Set control
pressure to
6bar.