CLIMATIC™50 – IOM – Rooftops/ Aircoolair CL50-ROOFTOPS-IOM-1107-E
29
Filters Clogged or Missing
Error code: 004, 005
Description
The pressure differential between the treatment unit and the filters is small although the fan has been running for more
than 3 minutes.
Filters missing: ∆p < safety threshold for more than 1 minute
Clogged filters: ∆p > safety threshold for more than 1 minute
2131 ! ∆p.
3412 ! Safety threshold, filters missing.
3413 ! Safety threshold, blocked filters.
Action
" No safety.
" Fault signalling. Memorisation is displayed
" Display of fault.
004, Filters clogged
005, filters missing
Reset
Automatic reset of the fault as soon as the pressure returns to the authorized operating range.
Possible causes Solving the problem
Filters removed and not replaced Fit new filters
Filters clogged Clean or replace the filters
Problem with the pressure transmitter wiring Check the connections
Incorrect setting of the safety thresholds Check the settings
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