EBARA A07V - Page 54

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Display Symptom Check Item Corrective Action
OIL LEVEL LOW
level low
ALARM: MP-GEAR
OIL LEVEL LOW
ALARM: MP-MOTOR
OIL LEVEL LOW
ALARM: OIL LEVEL
LOW
MP gear side oil
level low
MP motor side oil
level low
Oil level low in oil
pan.
[A07V only]
Instruments are in failure Replace instruments
Cooling water decrease Increase water slowly
Decrease of grease Change the grease
ALARM: DRV BRG
TEMP HIGH
ALARM: DRVN BRG
TEMP HIGH
Driving shaft brg
temp. rises. [A07V]
Driven shaft brg
temp. rises. [A07V]
Bearing is damaged Replace or overhaul pump
Duct ventilation not sufficient Ventilate sufficiently ALARM: PUMP BOX
TEMP HIGH
Temperature in
pump cover rises.
Cooling water decrease Increase water
After taking corrective action, input RESET signal or push RESET button. The pump will
not RESET while the cause of the ALARM remains.
WARNING
Interrupt Earth Leakage Breaker (ELB) or CB and lock out power
before starting on wiring and maintenance work.
WARNING
The pump casing and exhaust piping become extremely hot during
operation and for some time after stopping.
Keep pump and exhaust piping away from contact with personnel and
flammable substances.
Do not remove the pump cover during operation.
WARNING
Check for gas leaks after installing and maintaining the piping.
Gas leaks will result in the discharge of harmful and dangerous
substances and in abnormal reactions due to the admission of air into
the pump
Do not switch on the power supply to the pump until work is
completed.
EBARA Corporation