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6.3
Troubleshooting
Common causes of incorrect operation:
•
The supply voltage is incorrectly selected or switched off.
•
If the fan does not work, please check first if the speed controller is at MIN and check
also the Run/Stopp button.
•
Unauthorised personnel must not open the Controller Box. Our local service partner will
send you a trained specialist for repairs or adjustments.
•
If you notice, that the fan or Controller Box is damaged or has unusual noises, stop using
it with immediate effect. Switch off the power supply and contact your service partner.
•
A damage of the device caused by improper use is not covered by the warranty.
6.4
Frequency Converter Error Messages
