Zehnder Pumpen KOMPAKTBOY SINGLE, Operating Manual

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Malfunction Cause Troubleshooting
Motor does not rotate • Too low voltage, voltage missing
• Incorrect power connection
• Power cable defective
• Fault on the capacitor - only with 230
V pump
• Impeller blocked
• Motor protection switched off due to
overheating, blockage, voltage error
• Control error
• Pneumatic hose or connection leaky
• Motor defective
• Check voltage supply
• Correction
• Replacement (service)
• Replacement (service)
• Clean
• Check / customer service
• Check / customer service
• Check / replace
• Replacement (service)
Motor rotates,
but does not deliver • Impeller clogged or worn
• Check valve clogged
• Shut-off valve clogged or closed
• Pressure line clogged
• Intake socket clogged
• Direction of rotation incorrect
• Water shortage in the tank
• Tank ventilation clogged
• Pump housing ventilation clogged
• Clean / replace
• Clean
• Clean / open
• Clean
• Clean
• Correction
• Switch off / customer service
• Clean
• Clean
Motor rotates,
but switches off • Voltage wrong or fluctuates
• Overcurrent release incorrectly set
• Power consumption too high
• Correction / customer service
• set properly
• Customer service
Motor does not switch off • Control error • Customer service
Kompaktboy Single en English
8 Detecting and removing malfunctions