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Common air blower faults and solutions

Here at Direct Drainage we know that air blower faults do happen but most of the time there is a quick and easy solution. With the correct application and maintenance your blower can last years without any major problems.

If you can’t find your fault in the table below or still aren’t sure on what steps you should take give us a call on 01388 537050 and we will do our best to help.

 

 

 

Blower Does Not Start

Power supply fault Check correct power supply
Power plug is disconnected Plug-in and check if power is available
Damaged power cord Check for electrical continuity
Auto-stopper(s) activation Re-set Auto-Stopper(s)
Off-set magnet Re-set magnet to central position
 

 

 

 

 

Blower Running Excessively Hot /

Intermittent Operation 

Overheating / Thermal trip activation Check for sufficient ventilation in

 

blower kiosk

 

Air pipe / diffuser blocked Unblock air pipe / diffuser
Air filter element(s) clogged Clean / replace air filter element(s)
Over-pressurisation Check operating back-pressure to ensure blower is working at correct optimum pressure rating
Closed valves
Undersize air feed pipe diameter Replace air feed pipe with correct diameter
Off-set magnet Re-set magnet to central position
 

 

 

 

Auto-Stopper(s) Activation / Service

Light Illumination

Ruptured diaphragm(s) Replace diaphragm(s) and re-set Auto-Stoppers
Ingress of foul air / Biomass from the treatment plant bio-zone Replace Auto-Stopper(s)

 

 

Seal air pipe running into kiosk to ensure blower can only draw-in a

clean source of ambient air

 

Consider re-locating blower

Unstable power supply (Spike in power delivery) Re-set Auto-Stopper(s)
Sticky Residue on air filter element(s) Ingress of foul air / Biomass from the treatment plant bio-zone Replace filter element(s)

 

 

Seal air pipe running into kiosk to ensure blower can only draw-in a

clean source of ambient air

 

Consider re-locating blower

 

 

 

Blower Internally Contaminated with Brown Dust

Off-set magnet rubbing against motor coil

 

 

Replace / re-set magnet to central position
Over-pressurisation Check operating back-pressure to ensure blower is working at correct optimum pressure rating
 

 

 

Diaphragm failure

Diaphragm material fatigue Install new  diaphragms / service kit(s)
Over-pressurisation Check operating back-pressure to ensure blower is working at correct optimum pressure rating
In-correct magnet alignment Re-set magnet to central position
 

 

 

Excessive Noise

Damaged valves or diaphragm(s) Install new diaphragms / service kit(s)
L-Tube clip making contact on casing Re-position clip away from casing
Blower casing reverberating off kiosk Re-position blower in kiosk
Air leaks Check all pipe work connections
Off-set magnet Re-set magnet to central position