12
Subject to change without notice
DehuTech 450
Corrective action
None, or reduced dehumidification
Altered reactivation temperature
Check external start/stop signal
Drive motor faulty
Check centre shaft, rim of rotor
Replace complete gear motor
No dry- or wet air volume
Filter clogged
Fan faulty
Ducts blocked
Clean or replace filters
Check fan, motor and impeller
Check dampers and ducts