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Maintenance
A732-01-880 Issue A
5.7.4
The pump surface temperature is high
z
The ambient temperature is too high.
z
The cooling air supply is insufficient or is too hot.
z
The process gas is too hot or the maximum continuous operating pressure has been exceeded.
z
The exhaust pressure is too high.
5.7.5
The pumping speed is poor or if pump down time is too long
z
The connecting pipelines are too small in diameter.
z
The connecting pipelines are too long.
z
The inlet strainer is blocked.
z
There is a leak in the system.
z
The inverter is current limiting the supply.
z
The pump is in idle mode.
