Troubleshooting
Operating Instructions LIQUIPORT EN
44
KNF Flodos | BA_LIQUIPORT_EN_11_153820.docx | Translation of original operating instructions, English
11. Troubleshooting
11.1 Safety
Disconnect the mains plug from the power supply before working on
the pump head.
▪
Pump has been thoroughly flushed/decontaminated
▪
Specialist personnel
▪
None
Pump does not transfer
Cause
Remedy
Pump not connected to the power
supply.
Connect pump to the power supply.
No voltage in the power supply.
Check room fuse and switch on if necessary.
Connections or hoses are blocked. Check connections and hoses.
Remove blockage.
External valve is closed or filter is
clogged.
Check external valves and filters.
Worn diaphragm or valve
plates/seals.
Replace diaphragm and valve plates/seals (see Section 9.4).
External actuation connected with-
out a signal
Check external actuation signal.
Pump overload protection has
tripped.
- Flow rate indicator flashing
- Standby indicator not illuminated
Pump unable to build up counterpressure
Pump transferring against pressure that is too high
Reduce pressure in system
Reduce flow rate
Tab. 20: Pump does not transfer
1)
Maximum pressure build-up depends on flow rate setting.
Please note: Pump not protected from overpressure.
Requirements
Personnel
Personal protective equipment
Содержание LIQUIPORT 1.100
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