
P.67
PM10U
EBARA
CORPORATION
Insufficient ventilation
Ventilate sufficiently.
Pump back press. rises.
Check exhaust pipe.
Increase of the gas load.
Reduce the inflow gas
amount.
Rotor makes contact.
(Accumulation of
by-products)
(Substance plunge)
Replace or overhaul
pump.
Cooling water flow rate is
reduced.
Cool pump thoroughly
and reset.
ALARM:
BP DRIVER ###
BP Motor driver
protection
Can not restart
Motor driver has broken
down.
Replace motor driver.
Instrument failure
Replace instrument.
ALARM:
PHASE ERROR
Open phase
Incorrect wiring
Check power supply
Starting during
WARNING/ALARM status
Make sure that all
starting conditions are
met.
ALARM:STARTFAIL
ALARM/WARN EXIST
Start fault
Instrument failure
Replace instrument.
After you have taken the remedial actions above, reset the pump. If the problem
that has caused the ALARM signal still remains, the ALARM display will appear
again even after you have reset.
During REMOTE operation carry out the above procedures after you have
turned off the external start signal.
When the external start signal remains on in the ALTERNATE mode, the pump
will start immediately when the RESET signal is applied.