Bell & Gossett P2002290A Series e-90 ECM Motor IOM - Manual (Page 6)

4
PerfectSpeed ® User Interface Box
The PerfectSpeed ® operates in speed mode when connected to the pump. You can
adjust the demand of the motor manually using the PerfectSpeed® User Interface.
The motor inf ormation displayed in the User Interface is outlined in Table 1. If the
motor encounters a problem, the User Interface displays a corresponding error code.
These are outlined in Table 1 as well.
Table 1 – User Interface Display Information
Control Mode Data Displayed
Speed (speed feedback)
Spd – followed by the instantaneous speed in RPM
dE
– followed by S + demand in %
Error Codes
E1 – No communications
E2 – Under V
oltage
E4 – Non-­NMC Motor
Minimum and Maximum Operating Parameters
The PerfectSpeed ® motor operates properly within minimum and maximum
parameters. Your settings must be within these ranges.