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Original installa�on and opera�on manual
16.2 Specific malfunctions
Specific
malfunction
Probe BT1,
dew point
temperature too
high.
Probe BT1,
dew point
temperature too
low.
114 | 120
Cause
The probe BT1 does not detect the
temperature correctly.
The refrigerant compressor is stopped.
The ambient temperature is too high or
ventilation is insufficient.
The temperature of inlet compressed air
is too high.
The pressure of inlet compressed air is
too low.
The flow rate of inlet compressed air is
higher than the nominal flow rate of the
device.
The condenser is dirty.
The cooling fan is stopped.
The device does not drain the
condensate.
The hot gas by-pass valve is out of
calibration, models from RA 1080 to RA
1900
There is a refrigerant leak in the
refrigerant circuit.
The temperature of cooling water is too
high, water-cooled models.
The flow rate of cooling water is too low,
water-cooled models.
The ambient temperature is too low or
the device is installed in a windy area.
The cooling fan is running continuously.
The hot gas by-pass valve is out of
calibration, models from RA 1080 to
RA 1900
Action
Check / place the probe back in its
correct position.
See specific malfunction "The refrigerant
compressor is stopped".
Restore the nominal operating
conditions.
Clean the condenser.
See specific malfunction "The cooling
fan is stopped".
See specific malfunction "The device
does not drain the condensate".
Refer to section "11.2.1 Adjustment of
hot gas by-pass valve" on page 91.
Repair the refrigerant circuit.
Restore the nominal operating
conditions.
Restore the nominal operating
conditions.
Replace the Electronic Control Unit.
Refer to section "11.2.1 Adjustment of
hot gas by-pass valv" on page 91.
DRYPOINT
®
RA III
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