Running Speed Is Not Stable - Vision Fitness T970HRT Service Manual

Possible causes:
1. AC power voltage is too low.
2. Tension of drive belt or running belt is too loose.
3. Poor adjustment of MCB.
4. MCB is damaged.
5. Motor is damaged.
Fix:
1. Check the power voltage by using voltage-meter to see if it is within 120V
D 15% or 230V D 15%.
If the power voltage isn't within the range, look for a qualified
electrician for help.
2. Open the motor cover, if the belt has stretched and is slipping across the
rollers when running.
Adjust the belt tension.
4. Replace new motor.

Running speed is not stable

3. Remove the motor cover and run the
machine at low speed, then adjust the IR
COMP of MCB.
If it hasn't been improved, replace new
MCB.
5-2