11
Analog Control Curve
RUN Voltage
MAX Voltage
Function
> 1 V
< 3 V
Pump at minimum speed.
= 0 V
< 2 V
Pump is at 1/2 speed.
> 3 V
3 to 10 V
Speed is proportional to voltage regulation.
22 - Fault Finding
The pump Status LED will flash red during errors and overload conditions.
The sequence of the flash is determined by the type of the error per the following table.
Error Code (blinks in
1/2 second intervals)
Description
Probable Cause(s)
1 blink
Locked Rotor
Impeller is unable to turn - debris in system
2 blinks
Over Current
High Motor Load
3 blinks
Over Temperature
Motor might be faulty or viscous medium is present.
High Motor Load, Water Temperature too hot, Pump running dry.
4 blinks
Over Voltage
Line voltage is too high.
5 blinks
Under Voltage
Line voltage is too low for proper operation.
6 blinks
Communication Fault
7 blinks
Motor Temperature Fault
Control temperature near maximum limit.
Control reduces rpm to reduce heat.
8 blinks
Staging Fault
22.1 - Error Codes
