EBARA EV-S100P - 10.2 WARNING Troubleshooting

P.92
10.2 Troubleshooting (2) WARNING
Display
Symptom
Check Item
Corrective Action
WARN: WATER
FLOW LOW
Water flow is reduced.
Coupler is disconnected.
Connect coupler.
Pressure is not sufficient.
Apply sufficient pressure.
Root valve is closed.
Open valve.
Water pipe is clogged.
Clean or replace piping.
Tube fittings are loosened.
Re-tighten.
Instrument failure
Replace instrument.
Outlet & inlet pipes are
reverse. (flow value 0 L/min)
Connect pipes correctly.
WARN: PUMP N2
FLOW LOW
Pump N2 flow is
reduced.
N2 port is not connected.
Connect N2 pipe fitting.
Primary pressure is
insufficient.
Apply sufficient pressure.
Regulator setting value
LOW.
Increase pressure setting.
N2 pipe is clogged.
Replace N2 piping.
Leaks on N2 pipe.
Check the fittings.
Instrument failure
Replace instrument.
WARN: CASING
TEMP HIGH
Casing temperature
rises.
Pump back pressure rises.
Check exhaust pipe
Increase of the gas load.
Reduce the inflow gas
amount.
Accumulation of by-product
Replace or overhaul pump.
Cooling water flow is
reduced.
Increase cooling water flow.
WARN: BP MOTOR
TEMP HIGH
WARN: MP MOTOR
TEMP HIGH
Booster pump (BP)
motor coil temp. rises.
Main pump (MP)
motor coil temp. rises.
Cooling water flow is
reduced.
Cool pump thoroughly and
reset.
Motor failure
Replace or overhaul pump.
WARN: BP DRIVER
TEMP HIGH ####
WARN: MP DRIVER
TEMP HIGH ####
Booster pump (BP)
driver temp. rises.
Main pump (MP)
driver temp. rises.
Cooling water flow is
reduced.
Increase cooling water flow.
WARN:
## COMM.ERROR
Communication is not
established.
Connection error of the
instrumented units
Check the connection of the
instrumented unit.
Instrument failure
Replace instrument.
WARN: PUMP BOX
TEMP HIGH
Temp. rises in pump
cover.
Cooling water flow is
reduced.
Increase cooling water flow.
The ambient temperature is
high.
Confirm the ambient
temperature (less than 30
℃
).
WARN:PUMP N2
VALVE ERROR
N2 valve open.
Setting is N2 0 mode.
Close N2 valve.
(at the side of pump)
After you have taken the remedial actions above, reset the pump. If the problem that has caused the
WARNING signal still remains, the WARNING display will appear again even after you have reset.
PM10U
EBARA
CORPORATION