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9.
10.
11.
12.
13.
14.
SYMPTOMS
1. Bath with airjets does not
start.
2. Blower motor starts, but
there are few or no bubbles.
3.
Blower motor
stops
automatically within 20
minutes.
4.
Blower motor
does not stop
automatically after 20 minutes.
5. Blower motor does not stop
when pump on/off button
on user keypad is touched.
6. Blower motor operates but
speed timing does not work
7. Automatic purge does not
occur.
A.
B.
A.
B.
C.
A.
B.
A.
B.
C.
A.
B.
A.
PROBABLE CAUSES
A. Controller is not power on.
B. User keypad cable loose or damaged.
C. User keypad does not work.
D. Blower motor does not work.
A. Pipeline leaking.
B. Pump inlet is blocked.
A. GFCI or ELCB trips.
B. Motor overheated and protection
device activated.
A. Controller trips.
A. User keypad cable loose or damaged.
B. User keypad does not work.
A. User keypad cable loose or damaged.
B. User keypad does not work.
C. Controller dose not work.
A. Blower motor does not work.
B. Water level sensor trips or circuitry
plough.
C. Over-height of the water level.
D. Controller dose not work.
A.
B.
A.
B.
C.
A.
B.
A.
B.
C.
A.
B.
A.
RECORRECTIVE ACTION
A. Set/reset GFCI or ELCB breaker;
check wiring.
B. Check wire connections. If necessary,
replace user keypad.
C. Replace user keypad.
D. Replace blower motor.
A. Apply silicone sealant to the leakage.
B. Clean the area around the blower
motor. Ensure adequate ventilation.
A. Correct GFCI or ELCB trips.
B. Check for blockage at motor vents.
Remove blockage and allow motor to
cool.
A. Replace controller.
A. Check wire connections. If necessary,
replace user keypad.
B. Replace user keypad.
A. Check wire connections. If necessary,
replace user keypad.
B. Replace user keypad.
C. Replace the controller.
A. Replace blower motor.
B. Check wire connections. If necessary,
replace water level sensor.
C. Operation after water level is below
the airjets.
D. Replace the controller.
10
Kohler
1200098
-T01-B
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