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Original installa�on and opera�on manual
Specific
malfunction
Transducer BHP,
condensing
pressure of
refrigerant fluid too
high.
The pressure of the
refrigerant fluid has
reached the safety
limit. Safety switch
HPS has triggered.
114 | 118
Cause
The temperature of inlet compressed air
is too high.
The ambient temperature is too high or
ventilation is insufficient.
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 temperature of cooling water is too
high, water-cooled models.
The flow rate of cooling water is too low,
water-cooled models.
The cooling water regulating valve is out
of calibration, water-cooled models.
The transducer BHP is defective.
The temperature of inlet compressed air
is too high.
The flow rate of inlet compressed air is
higher than the nominal flow rate of the
device.
The ambient temperature is too high or
ventilation is insufficient.
The condenser is dirty.
The cooling fan is stopped.
The temperature of cooling water is too
high, water-cooled models.
The flow rate of cooling water is too low,
water-cooled models.
The pressure switch HPS is defective.
Action
Restore the nominal operating
conditions.
Clean the condenser.
See specific malfunction "The cooling
fan is stopped".
Restore the nominal operating
conditions.
Refer to section "11.2.2 Adjustment of
cooling water regulating valve, water-
cooled models" on page 95.
Replace the transducer.
Restore the nominal operating
conditions, then press the reset button
on the pressure switch.
Clean the condenser, then press the
reset button on the pressure switch.
See specific malfunction "The cooling
fan is stopped", then press the reset
button on the pressure switch.
Restore the nominal operating
conditions, then press the reset button
on the pressure switch.
Replace the pressure switch.
DRYPOINT
®
RA III
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