8. Fault finding
Table 5 Fault finding
Conditions
The pump does not run on page 75
The pump cannot reach stated vacuum on page 75
Pump is noisy on page 76
Pump runs hot on page 76
High oil consumption on page 76
Pump does not maintain vacuum after power
-off on page 77
Pump leaks oil on page 77
The expected process vacuum level is not reached on page 77
Fault The pump does not run
Cause There is no voltage
Remedy Provide power supply
Cause Thermal switch has tripped
Remedy Identify cause and reset switch
Cause Room temperature is too low
Remedy Restore temperature to allowed value
Cause Motor is damaged
Remedy Contact us.
Fault The pump cannot reach stated vacuum
Cause Low oil level
Remedy Top up oil
Cause Oil is contaminated
Remedy Contact us
Cause Pump gaskets is damaged
Remedy Contact us
Cause Discharge is clogged
Remedy Check couplings and outlet
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