Troubleshooting
SIMDOS diaphragm metering pump
KNF Flodos BA_SIMDOS_EN_02_160044.docx
42
Translation of original operating manual
10. Troubleshooting
CAUTION
Safety note
Always remove the mains plug
from the socket before carrying
out any work on the pump.
WARNING
Health risk from hazardous substances in the
pump.
Some pumped media involve the possibility of
corrosion damage or intoxication.
Use protective equipment if necessary, e.g.
protective gloves, goggles.
Flush pump with a neutral fluid and then pump
empty.
Inspect the pump (see Tab. 25 and 26).
Pump not working
Possible cause
Corrective action
Pump not connected to mains
power supply.
Connect pump to mains supply.
No mains supply.
Check room fuse and switch on if necessary.
Connections or lines obstructed.
Check connections and lines.
Remove obstructions.
External valve closed or filter
blocked.
Check external valves and filters.
Worn diaphragm or valve plates
/ seals.
Replace diaphragm and valve plates / seals (see section
9.3).
Pump overload protection has
tripped.
Disconnect pump from mains power supply.
Allow pump to cool.
Identify and eliminate cause of overheating.
Tab. 25: Pump not working
Instructions
