Malfunctions; Causes And Elimination; Warranty; Technical Modifications - Zehnder Pumpen Kompaktboy Série Manuel D'utilisation

8. Malfunctions; causes and elimination

Disconnect the power supply before carrying out any kind of work on the unit!
In order to disassemble the motor unit from the tank, only the 8 Allen head screws (pos.
13 of the spare parts list) must be loosed. The 4 hexagon screws (pos. 5 of the spare
parts list) must not be loosed, because otherwise, the seal ring will be destroyed, oil
will escape and the guarantee expires!
Failure
1. No motor
rotation
2. Motor rotates but
does not convey
3. Motor rotates
and switches off
4. Motor does not
switch off

9. Warranty

As manufacturer, for this product we provide a warranty of 24 months from date of purchase.
Your sales receipt passes for verification. During that warranty period, we gratuitously remedy
all deficiencies which are attributed to material or fabrication defects by either repairing the
unit, or by replacing the defective parts (to our choice).
Defects which are attributed to misuse or wear are excluded from warranty. We will assume
no responsibility for consequential damages that are caused by a breakdown of the unit.

10. Technical modifications

We reserve the possibility of technical modifications for the purpose of further development.
- Voltage too low, no voltage
- Faulty power supply
- Electric cable defective
- Failure in the condenser only in case of a 230 V
pump
- Running wheel blocked
- Motor protection is switched off due to
overheating, blockage, voltage failure
- Control failure
- Pneumatic hose and/or connection not tight
- Motor defective
- Running wheel blocked or worn
- Non-return valve blocked
- Gate valve blocked or worn
- Pressure pipe blocked
- Intake fitting blocked
- Wrong rotational direction
- Water deficiency in the tank
- Tank ventilation blocked
- Pump housing ventilation blocked
- Faulty voltage and/or variable
- Over current release wrongly adjusted
- Power reception too high
- Control failure
Cause
27
Removal
- Check the supply
- Corrective measure
- Replacement/after-sales-
service
- Replacement/after-sales-
service
- Cleaning
- Check/after-sales-service
- Check/after-sales-service
- Check/replacement
- Replacement/after-sales-
service
- Cleaning/replacement
- Cleaning
- Cleaning/open
- Cleaning
- Cleaning
- Corrective measure
- Deactivation/after-sales-
service
- Cleaning
- Cleaning
- Corrective measure/after-
sales-service
- Adjust it correctly
- After-sales-service
- After-sales-service