Troubleshooting (cont.)
Symptoms
Probable Causes
Recommended Action
1.
Backjets do not operate.
A.
Whirlpool pump is not
operating.
A.
Turn on pump.
B.
Backjet butterfly valve does not
open.
B.
Check for loose connections or
wires leading from the backjet
pulse canister to the control.
Replace the backjet pulse canister
or control if necessary. Refer to the
installer/dealer.
C.
Not enough water in whirlpool.
C.
Fill whirlpool so water level
sensors.
D.
Actuator switch does not work.
D.
Replace the actuator switch. Refer
to the installer/dealer.
E.
Power from the pump motor to
the control is off.
E.
Check for loose connections or
wires leading from the pump
motor to the control. Refer to the
installer/dealer.
F.
Backjet pipe is blocked.
F.
Remove blockage.
G.
Switch wire from switch to
control is disconnected.
G.
Reconnect or replace switch wires
that use a modular plug. Refer to
the installer/dealer.
2.
Backjets do not pulse.
A.
Pulse canister does not work.
A.
Check for loose connections or
wires leading from the pulse
canister control. Replace the pulse
canister or control if necessary.
Refer to the installer/dealer.
B.
Switch does not work.
B.
Replace the switch. Refer to the
installer/dealer.
C.
Switch wire from the switch to
the control is disconnected.
C.
Reconnect or replace the switch
wires that the modular plug. Refer
to the installer/dealer.
Effervescence Ports
Symptoms
Probable Causes
Recommended Action
1.
Effervescence ports do not
work.
A.
Whirlpool pump is not
operating.
A.
Turn on pump.
B.
Butterfly valve does not open.
B.
Replace the butterfly valve. Refer
to the installer/dealer.
C.
Pump does not work.
C.
Refer to the Service Manual to
troubleshoot the system. Refer to
the installer/dealer.
D.
Control does not work.
D.
Replace the control. Refer to the
installer/dealer.
2.
Effervescence ports do not
bubble.
A.
Air intake on the suction line is
blocked.
A.
Remove blockage.
B.
Water flow is too low.
B.
Increase the water flow.
Kohler Co.
11
1042760-5-D
