7.4 The pump surface temperature is high
▪
The ambient temperature is too high.
▪
The cooling air supply is insufficient or is too hot.
▪
The process gas is too hot or the maximum continuous operating pressure has
been exceeded.
7.5 The pumping speed is poor or if pump down time is too long
▪
The connecting pipelines are too small in diameter.
▪
The connecting pipelines are too long.
▪
The inlet strainer is blocked.
▪
There is a leak in the system.
▪
The inverter is current limiting the supply.
▪
The pump is in idle mode.
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A73101880_F - Fault finding