Remedy
Make sure that the pipework has sufficient conductance (user's responsibility) and the
pump performance is not compromised.
Cause
There is a leak in the system.
Remedy
Do the leak test of the pump system in accordance with the requirements specified in
on page 13.
Cause
The motor controller is current limiting the supply.
Remedy
Adjust the inlet pressure/flow until the pump performance recovers.
Cause
The pump chamber is too big.
Remedy
Make sure that the chamber size is not more than the limits specified in
on page 12.
8.1 Alarm indicator
If the red alarm indicator LED (
Figure: Interface control panel
on page 9, item 9) is
illuminated, contact us for further information.
Before you perform the fault finding, lockout and tagout the electrical and nitrogen
supplies.
Page 32
A77010880_B - Fault finding
