MBRAUN LABmaster pro sp - Page 240

11 Troubleshooting
Definition of alarm and warning messages
Page
11 - 6
MB-20-G/MB-200G-W_MB-LABmaster_MB-200 MOD_TP700
Operating Manual - V5.0 - 04/2018 - STD
No Description Possible fault causes Solution Elimination
4 Gas purifier: reactor 1
main valve not open
Main valve defective
Control pressure too
low
Replace main
valve.
Set control
pressure to
6bar.
5 Gas purifier: reactor 1
main valves not
closed
Main valve defective
Control pressure too
low
Replace main
valve.
Set control
pressure to
6bar.
6 Gas purifier: reactor 2
main valves not open
Main valve defective
Control pressure too
low
Replace main
valve.
Set control
pressure to
6bar.
7 Gas purifier: reactor 2
main valves not
closed
Main valve defective
Control pressure too
low
Replace main
valve.
Set control
pressure to
6bar.
8 Gas purifier: no oper-
ating gas, or pressure
is too low
Pressure monitor for
working gas set incor-
rectly or defective
Set working
gas pressure
to 6bar.
Set pressure
monitor (ap-
prox. 5.5bar).
Replace pres-
sure monitor.
9 Gas purifier: purge
gas pressure too low
Pressure of purge gas
too low
Pressure monitor for
purge gas set incor-
rectly or defective
Set purge gas
to 6bar.
Set pressure
monitor (ap-
prox. 5.5bar).
Replace pres-
sure monitor.
10 Gas purifier: purge
valve VSPA not open
Purge valve output de-
fective
Control pressure too
low
Replace purge
valve output.
Set control
pressure to
6bar.