Ulvac PBL Series, Инструкция по эксплуатации

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6. Troubleshooting
Symptom Check Action
Poor ultimate pressure
Is there a leak in the system? Check and rectify.
Is the pump fluid level too
low?
Check and rectify.
Is the switch of the heater not
turned on? Is the heater
snapped? Is the heater input
low?
Check and rectify.
Is the pump fluid too dark?
Inspect the pump fluid and
replace if necessary.
Is the cooling water supply
not sufficient?
Check and rectify.
Is the backing pressure high?
Check for a leak in the
backing pipeline, poor rotary
pump performance, terminal
breakdown of the pump fluid.
Inlet pressure surges
Is the pump fluid level too
high?
Check and rectify.
Is the pump fluid outgassing?
Inspect the pump fluid and
replace if necessary.
Is there a leak in the system? Check and rectify.
Are the O-ring seals
excessively lubricated?
Check and rectify.
Is the backing pressure high?
Check for a leak in the
backing pipeline, poor rotary
pump performance.