EBARA A70W Instruction Manual page 54

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