Rocket 4D Evaporation System
48 04-7848 Issue 2-4 August 2014
Error rectification
Make sure lid is closed and engaged with latch
No lid open detected between starts
Fail vacuum start up test
Check outer lid seal / close lid firmly / push down
on the lid at the back
Rotor does not reach full speed
Check rotor is free to rotate
Check chamber water reservoir is not overfull
Motor overheat (may occur after
excessive start / stop cycles)
Check inner lid seal is intact / check feed
coupling is intact
Check shaft hub O-ring
Refit inner lid
Fail to reach control pressure
Check appropriate method is selected / check
feed hoses are correctly fitted / check pump
ballast is set to position 1
Coolant too cold for aqueous
Reset chiller to remote or set coolant
temperature to >+2°C
Interruption to secondary power supply
Check secondary power cable is connected to
service panel and power is switched on
Insufficient solvent evaporated during
the last two stages
Decant product solution from evaporation vessel
(or select batch mode to evaporate product
solution from evaporation vessel). Check
correct method is selected and restart.
System is syphoning liquid
Check / clean feed valves
Push down main lid to ensure it is fully closed
Low ∆T (insufficient solvent load)
Check feed system / check pump ballast is set
to position 1
Supply voltage out of range
Check mains supply voltage
Check data key route folder (see Advanced
Features, File transfer)
Check coolant (level and mixture)
Vacuum leak - atm to outer
Vacuum leak - atm to inner
Check pump ballast is set to position 1 / check
feed system / check rotary joint
Vacuum leak - inner to outer
Check rotor hub O-ring / check inner lid seal /
check lid coupling
Vacuum leak - outer to inner
Re-circulating coolant level low (error
only flagged if comms lead connected)
Refer to Julabo user manual / contact Julabo
Service
Caution: the inner lid thumb screw can be damaged by over tightening; when
checking the integrity of the vacuum system, do not over tighten. See: Opening
the lid.
Instructions for rectification are given where user rectification may be possible. If error
codes occur that are not listed, or if the suggested rectification does not resolve the
problem, contact your Genevac distributor for further advice.
Non-critical errors clear automatically. To clear other error messages, once the cause has
been established and rectified, press the stop button. Fuses