Hailea Hs- 28a Manual -

Indicates a temperature sensor circuit failure (open or broken). Maintenance Tips

The Hailea HS-28A is a vibrating pump. If placed on a hard, resonant surface, it will create a significant humming noise. The manual recommends placing the pump on a flat, level surface. However, pro tip: place a dense foam mat or a folded towel underneath the unit. This absorbs the vibration and silences the pump significantly. hailea hs- 28a manual

Now, in her own sweltering apartment during a record heatwave, the chiller failed. The compressor clicked, hummed for five seconds, then died. Over and over. E1 flickered on the display. Indicates a temperature sensor circuit failure (open or

The is a compact chiller for aquariums or small hydroponic systems (cooling capacity ~1/10 HP, suitable for 50–200L tanks depending on ambient temp). level surface. However