11. Troubleshooting Table - Breeze CMD Series User Manual

We bring better air to life
10. REPAIR
Before any repairs are undertaken please:
• Stop fan in accordance to regulations and disconnect all poles from mains supply.
• Wait until impeller is stationary.
• Make sure that a restart is not possible.
• Only use original spare parts manufactured and supplied by Breeze Fan.
Change of motor impeller:
• Disconnect electrical supply in function box.
• Remove louver.
• Remove the fan casing in the wooden frame.
• Unscrews and remove centrifugal casing and impeller.
• Unscrews motor mounting and replace new motor.
• Assembly fan.
• Control whether installation is correct:
Motor and impeller must rotate freely
o
o Control whether
o Install maintenance cover if have.
The gap between impeller and casing must be regular.
o
• Install the fan into air duct.
• Push into operation after repaired.
• Connect electric supply of motor.

11. TROUBLESHOOTING TABLE

PROBLEM
Ÿ When switching on the
unit the fan does not
start.
Ÿ
Circuit breaker
tripping during the fan
start.
Ÿ
Low air flow.
Ÿ
Poor foundation
Ÿ
Fault installation
Ÿ
Low voltage
Ÿ Contact between rotary
and stationary parts
Ÿ
Sucked in objects /
Adhere dust
Ÿ
Faulty ducting
Ÿ Incorrect wiring
www.breeze.com.vn | breezefans@breeze.com.vn
direction of rotation is correct.
POSSIBLE REASONS
Ÿ
No power supply.
Ÿ
Motor jamming.
Ÿ The automatic circuit breaker is
triggered by an abnormally high current
consumption due to a short circuit.
Ÿ Clogging of air ducts or other ventilation
system elements. Impeller clogging.
Damaged air ducts. Air damper closure.
Ÿ
Excessive noise
Ÿ Excessive vibration
Ÿ
Excessive noise
Excessive vibration
Ÿ
Insufficient air flow
Ÿ Motor too hot
Ÿ Excessive noise
Ÿ
Excessive vibration
Ÿ
Motor too hot
Ÿ Excessive noise
Ÿ Excessive vibration
Ÿ
Excessive noise
Ÿ Excessive vibration
Ÿ Insufficient air flow
Ÿ Run abnormally
USER'S MANUAL
Fig 1
Fig 3
TROUBLESHOOTING
Ÿ
Check the electrical connections and the power
switch status.
Ÿ
Turn off the fan.
Ÿ Troubleshoot the impeller jamming.
Ÿ Restart the fan.
Ÿ
Disconnect the fan from power mains and
contact the Breeze Seller.
Ÿ Do not turn on the fan again.
Ÿ
Clean the air ducts and other ventilation system
elements as well as the impeller.
Ÿ
Check the air ducts for damage.
Ÿ
Make sure the air dampers and louver shutters
are open.
Ÿ
Reinforce the foundation
Ÿ
Re-adjust the installation
Ÿ
Check power source
Ÿ Inspect and adjust
Ÿ
Inspect and clean
Ÿ
Inspect and adjust
Ÿ Change wiring
CMD SERIES
Fig 2
Fig 4
06