Cleaning; Information - Fault Causes; Spare Parts - Helios AMD Serie Notice De Montage Et D'utilisation

Installation and Operating Instructions
UK
WARNING
nm
ATTENTION
l m p r n
AMD / AMW.. – Medium Pressure Fans
4.1

Cleaning

WARNING
An insulation fault may result in electric shock!
Before cleaning, isolate the fan from the mains power supply and protect against being switching on again!
– The disassembly of the unit or parts of the unit may be necessary for the cleaning.
This must be carried out by suitable specialist personnel cf. section 1.6!
– Clean fan flow area, impeller, struts and motor.
– Do not use aggressive cleaning agents that could damage the paintwork!
– High pressure cleaners or water jets are not permitted!
4.2 Information – Fault causes
The safety instructions specified in chapter 1, section 1.2 must be observed!
The elimination of faults must only be carried out by specialist personnel, cf. chapter 1.6!
Error/Fault
Fan does not start
Fuse tripped
Residual current device
tripped
Motor protection switch
triggered
Vibrations
Abnormal noises
Power consumption too
high
Fan does not perform
(speed)
4.3

Spare parts

Only original Helios spare parts are to be used. All repairs may only be carried out by authorised specialist
personnel/companies.
Causes
No voltage, phase missing
Defective capacitor
Impeller blocked
Motor blocked
Short-circuited coil/ground fault in motor
Supply line/connection damaged
Connected incorrectly
Motor insulation damaged
Supply line insulation damaged
Tight bearing
Impeller touching
Incorrect operating point
Contamination
Bearing damage
Incorrect operating point
Attachment-related resonance
Incorrect direction of rotation
Incorrect operating point
Grinding impeller
Bearing damage
Mechanical damage
Incorrect direction of rotation
Incorrect operating point
Grinding impeller
Bearing damage
Incorrect operating point
Incorrect voltage
Defective capacitor
Bearing damage
Contamination
Insufficient backflow
Incorrect direction of rotation
8
Solution
Check mains voltage
Check/replace capacitor
Clear blockage, clean, replace impeller if
necessary
Check motor, replace if necessary
Replace motor
Replace parts, replace motor if necessary
Check connection, change
Replace motor
Replace supply lines
Replace bearing
Clean, replace impeller if necessary
Check suitability of fan, Check/keep inflow
and outflow clear
Clean
Replace bearing
Check suitability of fan, Check/keep inflow
and outflow clear
Check or repair attachment , use vibration
damper
Check/modify connection
Check suitability of fan, Check/keep inflow
and outflow clear
Clean, replace if necessary
Replace bearing
Carry out maintenance
Check, modify connection
Check suitability of fan, Check/keep inflow
and outflow clear
Clean, replace if necessary
Replace bearing
Check suitability of fan, Check/keep inflow
and outflow clear
Check/modify connection
Check/replace capacitor
Replace bearing
Clean
Widen backflow openings
Check/modify connection