8.1
Fault causes
The safety instructions in chapter 1.2 must be observed!
8.2
Standstill and disposal
The safety instructions in chapter 1.2 must be observed!
Parts and components of the fan, whose service life has expired, e.g. due to wear and tear, corrosion, mechani -
cal load, fatigue and/or other effects that cannot be directly discerned, must be disposed of expertly and properly af
ter disassembly in accordance with the national and international laws and regulations. ~The same also applies to
auxiliary materials in use. Such as oils and greases or other substances. The intended and unintended further use of
worn parts, e.g. impellers, rolling bearings, filters, etc. can result in danger to persons, the environment as well as
machines and systems. The corresponding operator guidelines applicable on-site must be observed and used.
MiniVent M1/
100/120
Installation and Operation Instructions
12
UK
Error/fault
Causes
Troubleshooting
Fan does not start
– No voltage
Check mains voltage
Check connection according to circuit diagram
– Impeller blocked
Clear blockade, clean, replace impeller if neces.
– Motor blocked
Contact Helios customer services
Fuse blows
– Short-circuited coil in motor
Contact Helios customer services
– Supply line/connection damaged
Replace parts, replace motor if necessary
(Contact Helios customer services)
– Connected incorrectly
Check connection, change
Vibrations
– Contamination
Clean
– Mounting-related resonance
Check/repair mounting
Abnormal noises
– Grinding impeller
Clean impeller, replace if necessary
– Bearing damage
Contact Helios customer services
– Mechanical damage
Carry out maintenance
Fan does not per-
form (speed)
– Insufficient air supply
Check/clear inflow and outflow
– Incorrect voltage
Check/change connection
– Bearing damage
Contact Helios customer services
– Contamination
Clean
– Insufficient backflow
Enlarge backflow openings
WARNING
WARNING
