3
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSES
CORRECTIVE ACTION
Pump does not turn on.
Pump not plugged in.
Plug in pump.
Circuit breaker shut off or fuse removed.
Turn on circuit breaker or replace fuse.
Accumulation of trash on float.
Clean float.
Float obstruction.
Check float path and provide clearance.
Defective switch.
Have pump serviced by authorized service center.
Defective motor.
Have pump serviced by authorized service center.
Pump will not shut off.
Float or float rod obstruction.
Check float and float rod path and provide clearance.
Pump is air locked.
Shut power off for approximately 1 minute, then restart. Repeat several times to clear air
from pump.
Liquid inflow matches pump capacity.
Larger pump required.
Defective switch.
Disconnect switch, check w/ohmmeter, Open-infinitive resistance, closed-zero.
Pump runs but does not
discharge liquid.
Check valve installed backwards.
Check flow indicating arrow on check valve body to ensure it is installed properly.
Check valve stuck or plugged.
Remove check valve and inspect for proper operation.
Lift too high for pump.
Check rating table.
Inlet to impeller plugged.
Pull pump and clean.
Pump is air locked.
(See corrective action above.)
Pump does not deliver
rated capacity.
Lift too high for pump.
Check rated pump performance.
Low voltage, speed too slow.
Check for proper supply voltage to make certain it corresponds to nameplate voltage.
Impeller or discharge pipe is clogged.
Pull pump and clean. Check pipe for scale or corrosion.
Impeller wear due to abrasives.
Replace worn impeller.
Pump cycles continually.
No check valve in long discharge pipe
allowing liquid to drain back into basin.
Install a check valve in discharge line.
Check valve leaking.
Inspect check valve for correct operation.
Basin too small for inflow.
Install larger basin.
REPLACEMENT PARTS LIST
ITEM
NO.
PART NO.
DESCRIPTION
CATALOG NO./
MODEL NO.
511610
HT-10EN-CIM
511710
HT-10EN-CIA-FS
1
109440202 Screen Base
•
•
2
109460
Gasket, Screen Base
•
•
3
909023
Screw/Washer, 10-24 x 7/8"
5
5
4
950481
Capacitor, 10MFD, 370V
•
•
5
950482
Capacitor Bracket
•
•
6
928008
Seal Ring, 4.718 ID x .078 Wall
•
•
7
901203
Screw, Machine, #6-32 x 1/4"
•
•
8
909022
Screw/Washer, 10-24 x 5/8"
4
4
9
950227
Switch Assy, Non Mercury,Automatic
•
10
951660
Wire Harness Assy, Automatic
•
10
951661
Wire Harness Assy, Manual
•
11
927427
Loop Clamp, Black
•
12
901424
Screw, Machine, #8-32 x 1/2"
•
•
13**
951798
Lead Wire Assembly,White
•
•
14**
951799
Lead Wire Assembly,Red
•
•
15**
950502
Capacitor Insulating Boot
•
•
16**
950400
Closed End Connector
•
** Items not shown
