23833A150 11/08/12
7
TROUBLESHOOTING CHART
(SIMPLEX PANELS)
Position
Hand-
Auto
Run
Pr
oblem
Switch
Light
Check
Pump
Does Not
Auto
On
H-I
Tur
n Of
f
Hand
Of
f
A-C-B-
Pump
D-F
Does Not
Run
Auto
Of
f
A-F-C-B-
E-D-H
Auto
Or
On
G-I
Hand
Alarm
Activates
Auto
Of
f
A-H-D-F
Cir
cuit
Auto-
Br
eaker
Of
f-
Of
f
F-J
Tripped
Hand
Fuse in
Auto-
Contr
ol
Cir
cuit
Of
f-
Of
f
G-H-K-I
Blown
Hand
Contr
ol
Auto-
On
Box
Of
f-
Or
L
Buzzes
Hand
Of
f
CAUSE
REMEDY
A
Motor overload tripped.
(1 PHASE ONL
Y) Reset by pushing Klixon overload r
eset button. If overload
trips again, check power supply voltage. Check motor winding r
esistance, make
sur
e pump shaft is not locked.
(3 PHASE ONL
Y) Reset by pushing overload r
eset button. If overload does not
trip again pr
oblem may be fixed. If overload trips again, check power supply
voltage. Check motor winding r
esistance, make sur
e pump shaft is not locked.
B
Tripped cir
cuit br
eaker or
Reset br
eakers or r
eplace fuses. If they continue to blow
, check amp capacity of
fuse at power supply
wir
e and br
eakers. Make sur
e it is wir
ed pr
operly and that you have the corr
ect
panel.
power supply system. (See instructions “Power Supply”).
C
Tripped cir
cuit br
eaker
Reset by pushing handle down to “OFF” position and r
esetting to “ON” position.
in contr
ol panel.
Make sur
e that wir
es ar
e not shorted and that the box is wir
ed pr
operly
.
D
Contr
ol cir
cuit fuse blown.
Check fuse per instructions. Replace fuse with same type and rating.
E
Level in basin may not be
Check basin. Run pump manually to see if pump operates pr
operly
.
high enough to tur
n
switch on.
F
May not be wir
ed pr
operly
.
Check wiring per wiring diagram. Make sur
e pump is connected to terminal
block pr
operly
.
G
Too much water coming
Reduce water flow
. Pump may need servicing.
into basin.
H
Float switch may have
Operate manually to see if basin pumps down and alarm goes of
f. Repair float if
failed.
necessary
.
I
Pump or dischar
ge line
Pull pump and check dischar
ge line and pump inlet. (CAUTION: Never put
may be plugged.
hands on grinder impeller unless power is tur
ned of
f).
J
May be short cir
cuit in
Check wiring. (Short will not be located in contr
ol cucuit unless contr
ol cir
cuit
wiring or pump power
fuse is blown). Check motor
. (See chart for checking pump cables).
supply–Short in motor
.
K
May be failed component
Check components per instructions.
operating coil.
L
W
rong operating voltage
Check voltage and make sur
e r
elays and contactors ar
e of pr
oper voltage.
or wr
ong voltage
components.
