1. Remove the moisture trap (7) and lter cartridge (6) by rotating clockwise.
2. Disassemble the lter cartridge (6) to ensure the buoy is not closed.
3. Reinstall all components, lter cartridge and moisture trap back.
●
How to reset the Prote
TM
protection device
1. Please replace the cartridge when it becomes dirty or color-changing.
2. Please remove the moisture trap (7 / 11) by rotating it clockwise.
3. Replace the cartridge by the same way.
●
How to replace cartridge
6. Troubleshooting
Reason and SolutionProblem
Failed to start
Poor vacuum /
pressure
●
Loose plug → Reconnect plug to power supply.
●
Wrong voltage → Reconnect to power specied on name plate.
●
Vacuum or pressure exists → Release vacuum / pressure and restart.
●
Switch is broken → Contact distributor for assistance.
●
Improperly vacuum / pressure setting → Adjust the regulator.
●
Faulty gauge → Replace a new gauge.
●
Air leakage → Replace or tighten the tubing and accessories that
possible leaks.
5. Maintenance
1. Please remove the liquid in the moisture trap after every use and keep pumping the air for at
least 2 minutes to withdraw the residual steam.
2. If the liquid in moisture trap is more than 70%, please stop the experiment immediately to
empty the liquid.
3. The instrument is not autoclavable. Please clean the surface by pure water or 75% ethanol.
4. Please replace the cartridge to maintain pumping eciency when it becomes dirty or
color-changing.
5. Valve plate(s), O-ring(s) and silicone tube(s) are consumables, it is recommended to replace it
on a yearly basis or as needed to ensure good operation.
7