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