Figure 14 Noisy pump o
w chart
7.5 The pump surface temperature is high
▪ The ambient temperature is too high.
▪ The cooling fan is not running.
▪ The process gas is too hot or the maximum connuous operang pressure has
been exceeded.
7.6 Alarm indicator codes
Whenever a fail condion becomes acve the red alarm indicator shows a ashing
sequence. If the error light is on connuously this indicates a problem has been found
with the embedded soware. In this case, try cycling the power. If cycling the power
does not clear the indicaon, a soware download may be required. In this situaon,
contact us or the supplier. If the alarm indicator is ashing, idenfy the error ash code
and consult Table: Flashing error codes on page 46.
There is a sucient o period between each subsequent cycle repeon to clearly mark
the start of a new ash sequence. The duraon of a long ash (L) is equal to 3 mes the
duraon of a short ash (0.5 s).
Page 45
A73501880_G - Fault nding
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