Faults - Cause - Solution; Oase Service - Oase USP 402W Instrucciones De Uso

7.0 Faults – Cause – Solution
Fault
Pump not working
Pump isn't pumping
Pump pumping too little Slide valve not open
Power requirements
too great

8.0 OASE Service

If you have any service-related question, please contact the OASE Repairs Department
Tel +49(05454) / 80-143
Fax: +49(0 54 54) / 80-157
e-mail: service@oase-livingwater.com
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Cause
No electricity supply
Fuse tripped
FI switch tripped
Motor protection switch tripped
Dry-run protection tripped
Optional cut-offs
Pump rotor blocked
Filter not covered with water
Slide valve closed
Wrong direction of rotation
Air pocket in system
Intake pipe blocked
Filter blocked
rpm too low
Discharge head too high
The check valve is stuck
Filter not covered
Wrong direction of rotation
Position of suction filter too high Fit suction filter lower down
Suction filter is blocked
Pump is too small
rpm too low
Air intake on suction side
Total manometric
discharge head > actual
2-phase operation
Instruction for use
Solution
Check electricity supply
Check electr. switchgear
Check switchgear and connecting cable
Check protection switch and contactor
Check water level and system
Check wind cut-off, photoelectric
barrier etc.
Check for foreign bodies in pump housing
Check function of filters
Check water level and position of pump
Check pipes
electr. correction (phase switch)
Check pipes and release air
Check and clean
Check and clean
Check rpm and voltage
Reduce discharge head – check perfor-
mance data and losses in the pipe system
Check the function of the valve
Open slide valve
Check water level and position of pump
with water
electr. correction (phase switch)
Clean filter and pipes
Use a bigger pump
Check rpm - pump runs in 2 phases
Prevent eddies on suction side
Reduce volume flow via throttle valve
discharge head
Check connection, cables and fuses
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