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◆ The dryer does not
drain the condensate.
◆ Failure during the
condensate
discharge.
◆ Water in the line.
◆ HPS high-pressure
switch has triggered.
◆ If installed:
the LPS low-pressure
switch was triggered.
◆ If installed:
the TS safety
temperature switch
was triggered.
◆ DMC35 – Led
and display 1st (left)
and 10th (right) led
are flashing.
◆ DMC35 – Leds
◆
and
are
flashing
◆ DMC35 Led
◆
and display 1st (left)
led are flashing
◆ DMC35
◆ The last led of the
display is flashing
DRYPOINT® RS 15-550 HP50 NA
The shut-off valve at the condensate outlet is closed – open it.
Check the electric cabling.
The dew point is too low – the condensate is frozen – see the corresponding point.
The BEKOMAT condensate drain does not work properly (see BEKOMAT MANUAL).
Please read the separate BEKOMAT installation and operating instructions.
The dryer does not start – see the corresponding point.
If installed - untreated air flows through the bypass unit
The dryer does not drain condensate – see the corresponding point.
Dew point too high – see the corresponding point.
Check which of the following reasons is responsible for the triggering:
1. The ambient temperature is too high or the room ventilation insufficient – ensure sufficient
ventilation (air-cooled).
2. The condenser is dirty – please clean it (air-cooled).
3. The condenser fan does not work – see the corresponding point (air-cooled).
4. The cooling water is too hot – re-establish the nominal conditions (water-cooled).
5. The cooling-water flow is insufficient – re-establish the nominal conditions (water-cooled).
Reset the pressure switch by pressing the button on the controller itself – check the proper functioning
of the dryer.
The HPS pressure switch is defective – contact a BEKO service technician for the replacement.
There is a leak in the refrigeration cycle – please contact a BEKO service technician.
The pressure switch is automatically reset as soon as the normal conditions are re-established – check
the dryer for proper functioning.
Check which of the following reasons is responsible for the triggering:
Excess thermal load – re-establish the standard operating conditions.
The inlet air is too hot – re-establish the nominal conditions.
The ambient temperature is too high or the room ventilation insufficient – ensure sufficient
ventilation.
The condenser unit is dirty – please clean it.
The fan does not work – see the corresponding point.
The hot-gas bypass valve needs to be re-adjusted – contact a specialist for refrigerating
plants to have the nominal calibration re-established.
The cooling-water temperature is too low – re-establish the nominal conditions (water-
cooled).
The adjusting valve for the cooling-water flow needs to be re-adjusted – contact a specialist
to have the nominal calibration re-established (water-cooled).
There is a leak in the refrigeration cycle – please contact a BEKO service technician.
Reset the temperature switch by manually pushing the button on the temperature switch – check the
perfect functioning of the dryer.
The TS temperature switch is defective – replace it.
Verify the electric wiring of BT1 DewPoint probe.
The BT1 DewPoint probe is faulty - replace it.
The electronic controller is faulty - replace it.
Verify the electric wiring of BT2 / BP2 fan control probe.
The BT2 / BP2 fan control probe is faulty - replace it.
The electronic controller is faulty - replace it.
DewPoint too low - see specific point.
The BT1 DewPoint probe is faulty - replace it.
The electronic controller is faulty - replace it.
DewPoint too high - see specific point.
The BT1 DewPoint probe is faulty - replace it.
The electronic controller is faulty - replace it.
Maintenance, troubleshooting, spare parts and dismantling
– close the bypass.
35
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Table of Contents
Troubleshooting
