Bell & Gossett P2002290A Series e-90 ECM Motor IOM - Manual (Page 11)

PerfectSpeed ® NEMA 48 Pump Motor
PerfectSpeed ® Motor and User Interface
If the PerfectSpeed ® motor with User Interface isn’t running, perform the following
checks:
Motor Is Not Running
1. Ensure that both the PerfectSpeed ® motor and User Interface have proper line
voltage for intended application.
2. Turn the User Interface on-board potentiometer fully clockwise (100% demand)
and check to see if the motor runs.
3. If 0-10 VDC input is in use, disconnect the external input from the User Interface
and perform Check 2.
4. Check the digital read-­out of User Interface for an error code:
Table 5– User Interface Error Codes
Error Code Reason Action
E1 No Communication
Remove power from both the
PerfectSpeed ® motor and User
Interface for four (4) minutes,
then reconnect power and test
again.
Check the communication cable
conf- nection between the
PerfectSpeed
® motor and User
Interface.
Check the continuity of
communica tion cable (pin 1-1, pin
2-2 pin 3-4, and pin 4 3).
E2 Low V oltage
This is a reading from the
PerfectSpeed ® motor itself. Ensure
that there is at least 71 VAC (for 115
VAC applications) or 142 VAC (for
230 VAC applications).
E4 Not a NMC Motor Connect to a NMC motor.
9