7
Periodic Check and Maintenance
If you find any troubles, use the following table to check your product. If you still have troubles, make sure to turn off
the product and contact your dealer for repair service. Before you contact your dealer, check the following items.
1. Product name
2. Product No. and production SER. No. (on name plate)
3. Air volume and static pressure
4. Use conditions (installation condition, period of use, operation time per day, etc)
5. Abnormal conditions (from when, and how it occurs)
6. Handling air (for general ventilation or for clean air, and intended use)
symptom Insufficient
air flow
Excessive
vibration
Overheated
motor
Run
abnormally
Action
Excessive
noise
Poor foundation
Faulty installation
Outside range of rated voltage
Contact between rotary
and stationary parts
Sucked in objects/Adhered dust
Faulty ducting
Incorrect wiring
Reinforce foundation
Re-adjust installation
Check power source
Inspect and adjust
Inspect and clean
Inspect and adjust
Change power source wiring
Cause
When requesting repair
