AIR-SEP
Pressure Maintenance with AIR-SEP
SmartControl
28
KOREX Benelux B.V.
8.
Fault Overview / Maintenance / Cleaning
8.1
Fault Finding:
Before starting the fault finding, without fail, the supply voltage must be switched off!
Fault
Cause
Pump (10) doesn't start.
- No or defective power supply to the motor.
- Defective micro-fuse (on the back of the AIR-SEP
SmartControl controller)
- Control current circuit has failed or is defective.
- Motor defective.
- Pump blocked by contamination.
Pump (10) runs but delivers
no water.
- Air in the pump (vent the pump).
- Suction or pressure line blocked. Pump blocked.
- Suction line leaking.
- Suction valve (16) blocked.
Pump (10) runs with reduced
performance
- Suction or pressure line contaminated.
- Pump contaminated.
- Suction valve (16) blocked.
No pressure maintenance and
/ or. cycling of the pump
- Check the overflow valve (11) / suction valve (16).
Lack of water
- The shut-off valve (1a) might be closed.
- The dirt trap (1b) is blocked.
- The sieve in the magnetic valve (18) is blocked
- The float (12b) doesn't rise.
Level switch
- The gauge glass (12) is defective and / or broken.
- No float movement possible due to sediment;
clean if necessary.
Air in the heating element
- Open the thermostatic valve. The venting takes place by means of the water
flow only with open thermostatic valves.
8.2
Desludging of the Expansion Tank
Once per year, drain off the water in the tank (A1) by means of
the ball valve (5) and through the cleaning opening behind the
cladding vacuum out the salts and minerals.
To do so, the cleaning opening cover (13) must be removed
using the star screws (13a).
The sealing profile (13b) under it might possibly need to be
replaced.
13b
13
13a
A1
5
