Clean The Wastewater Tank And Level Sensor; Carry Out A Functional Check; Troubleshooting; Malfunction Messages /Remedial Measures 400 V Standard-Control Unit - Kessel Aqualift F Mono Instructions For Installation, Operation And Maintenance

7.3.6

Clean the wastewater tank and level sensor

• Clean the wastewater tank.
• Clean the submersible pipe and make sure there is no foreign matter in it. Clean any other level sensors fitted.
• Fit the inspection cover and submersible pipe again. Maximum tightening torque 3 Nm
7.3.7

Carry out a functional check

See description in the control unit's operating and maintenance instructions.
7.4.

Troubleshooting

On how to use the 230V and 400V Comfort-control units please consult the manuals that are enclosed
with the control unit.
Troubleshooting is described in the control unit's operating and maintenance instructions.
7.4.1

Malfunction messages /remedial measures 400 V Standard-Control unit

Malfunction messages / remedial measures (from model year 01/10)
= lit = off l == flashing slowly
Battery fault
Power failure (battery operation)
Motor fault
Duo Pump 1
Duo Pump 2
Running time limit fault/ running frequency limit fault
MAINTENANCE
8. Malfunctions and troubleshooting
❍ = flashing quickly
- Acknowledge alarm and alarm key
- Check if batteries are connected
- Replace discharged batteries
- After acknowledging the signal tone, press the alarm key again
--> Switch unit continues to work without batteries
--> No protection function during power failure
- Check whether power has failed in the whole room / building
- Check fuses / check fault-current circuit breaker
- Check mains cable for fault
- Check microfuse in the switch unit
(only use fuses with the same nominal capacity and triggering characteristics).
Cause: TF1, TF2, MSS
Remedy: --> Check motor protection switch 1/2
--> Lower winding temperature switch has triggered
--> Automatic reset when motor has cooled must be acknowledged
using the alarm key.
--> In the case of lifting stations jumper TF2 faulty/not installed
Replace/install jumper
50/168
- Running frequency limit fault: one pump starts up more often than 20 times in 3 minutes
--> Check air hose between submersible pipe/plunger and switch unit
for water inclusions
2019/05