Technical Information
RS 232/RS 485 Communication Description
MS40+ Single Stage Rotary Vane Pumps User Manual / 87-901-008-01 (H.00) 93/104
Operational Limits
Tab. 10
INPUT VOLTAGE (V) CONTROLLER STATUS
Operative with full performance
Operative with reduced performance
< 180 or > 264 Non operative condition
Status LED
Tab. 11
LED STATUS PUMP STATUS MEANING
Off Stop The pump is in stand-by and ready to start.
Green blinking
Ramp or
Autotuning
The pump has not yet reached its nominal
speed.
The pump is decreasing its speed due to a
gas load that needs power over the
available limit.
Green Normal The pump is running at its nominal speed.
Red Fail
The pump is in fail. Check the error from
A-plus software and follow the actions
described in the table below.
Red blinking Oil level warning The oil level is under the limit. The led
stops the red blinking only when the oil
level is over the limit.
Orange Starting self-test At the start the pump is performing a self-
test for few seconds.
Orange blinking Required maintenance
The maintenance counter overcomes 8000
hours. To reset the counter, use the
window 358 from A-plus software.
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