20
6. TROUBLE SHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
Flashing
UNDER V
Report low line voltage to the power
utility company
The pump motor running voltage is
lower
than the calibrated voltage, pump
Controller will attempt to restart the
pump every 5 minutes until line
voltage is restored to normal
Flashing of
PUMP
STALLED
Cut off power supply & repair or
replace pump immediately
Pu m p m o t o r r u n n i n g c u r r e n t
higher than the normal running
calibrated current by more than
200%
Flashing of
OVERLOAD
Controller will attempt to restart the
pump every 30 minutes until running
ampere is restored to normal
The motor running current is higher
t h a n t h e c a l i b r a t e d c u r r e n t ,
pump is in over load protection state
Check pump impeller or bearing
Pump impeller is jammed / pump
motor dragging / pump bearing
broken.
Flashing of
PUMP NO
CALIBRATION
Cut off power supply & repair or
replace pump
Parameter calibration not completed
Flashing of
DRY RUN
Controller will attempt to restart the
pump every 30 minutes until source
water level is above the pump intake
Low source water level in the well/
sump, pump stops running
Flashing of
REPEATED
START
The most common cause for the
r a p i d c y c l e c o n d i t i o n i s a
waterlogged tank.
Pump starts more than 5 times per
minute.
Check for a leakages in the water
tank. Check the air volume control or
snifter valve for proper operation
Check the setting on the pressure
switch and examine for defects.
Cut off the power supply & repair the
water tank, pressure switch or valve
Summary of Contents for SMARTCON 2
Page 1: ...SMARTCON 2 INTELLIGENT PUMP CONTROLLER Installation Operating Manual...
Page 2: ......
Page 27: ......
