A-17 alarm pops up as a warning becasue the inverter internal temperature is higher than normal.
E-17 / OH Error pops up if inverter internal temperature reached cutoff temperature limit
| Reason | Solution |
|---|---|
| Check the direction of rotation of the cooling fan. | Correct the direction of rotation of the fan |
| Ambient temperature where compressor installed or the temperature of the ventilation air is is higher than 40C (104F). | Reduce the temperature of the ambient air and / or the ventilation air sucked by compressor below 40C (104F). |
| Compressor and/or inverter cooling system is dirty or blocked. Inverter cooling system is in the inverter itself. | Clean the cooler of the compressor and the inverter cooling fins and internals. Use only appropriate liquids for cleaning. If compressed air to be used make sure there is no contamination and moisture and water in the air to be used for cleaning. Ask for an electrician to check and clean |
| Compressor is running at very low loads and compressor fan generally is off because compressor hardly reaches to temperature where the cooling fan needs to run. | Have additional fan installed on the electric panel. Suck the hot air inside the electric panel out. Keep compressor electric box door open when compressor is running and observe if error happens when the the door is open. |
| Inverter fan(s) are not running all the time and error pops up | Change the fans. Send the picture of the nameplate of the inverter to Us Air Compressor. |
Last modified:
2 October 2023
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