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◆ The dryer does not
start.
◆ The refrigerating
compressor does not
work.
◆ The fan of the
condenser does not
work.
◆ Dew point too high.
◆ Dew point too low.
DRYPOINT® RAX 20-500 NA 1ph UL
Check whether or not the dryer is connected with the electric mains.
Check the electric cabling.
The internal heat protection of the compressor was activated – wait 30 minutes and then
retry.
Check the electric cabling.
If installed – replace the internal heat protection and/or the start-up relay and/or the starting
capacitor and/or the operating capacitor.
If installed – the HPS pressure switch was activated – see the corresponding point.
If installed – the LPS pressure switch was activated – see the corresponding point.
If installed – the TS safety temperature switch was activated – see the corresponding point.
If installed – the power contactor KC1 does not work – replace it
In the event that the compressor still does not work, replace it.
Check the electric cabling.
The PV pressure switch is defective. Contact a BEKO service technician.
There is a leak in the refrigeration cycle – contact a BEKO service technician.
In the event that the fan still does not work, replace it.
The dryer does not start up – see the corresponding point.
The T1 dew point sensor does not record the temperature properly – ensure that the sensor
is pushed down to the bottom of the aluminium tube immersion sleeve.
The refrigerating compressor does not work – see the corresponding point.
The ambient temperature is too high or the room ventilation insufficient – ensure sufficient
ventilation.
The inlet air is too hot – re-establish the nominal conditions.
The inlet air pressure is too low – re-establish the nominal conditions.
The inlet air throughput is higher than the throughput of the dryer – reduce the flow rate - re-
establish the nominal conditions.
The condenser is dirty – please clean it
The condenser fan does not work – see the corresponding point
The dryer does not discharge the condensate – see the corresponding point.
The hot-gas bypass valve needs to be re-adjusted – contact a BEKO service technician to
have the nominal setting re-established.
There is a leak in the refrigeration cycle – contact a BEKO service technician.
The fan runs continuously – the PV pressure switch is defective – replace it
The ambient temperature is too low –re-establish the nominal conditions.
The hot-gas bypass valve needs to be re-adjusted – contact a BEKO service technician to
have the nominal setting re-established.
Maintenance, troubleshooting, spare parts and dismantling
33
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Table of Contents
Troubleshooting
