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PARTS REPLACEMENT
Before removing any parts for replacement, verify
part in question by following the instructions listed
in the troubleshooting guide.
Refer to Parts Replacement Table below for
appropriate replacement procedures. Failure to
follow parts replacement procedures may cause
damage to the bath.
NOTE: For easiest access to the control housing, place bath on the edge of a bench or table.
Remove four screws on upper side of control housing and carefully lower hinged control panel
to the vertical position.
Circulating Pump
Replacement
Replace Temperature
Sensor
BEFORE REPLACING ANY PART, TURN
POWER SWITCH TO OFF, THEN UNPLUG
THE UNIT FROM ITS POWER SOURCE.
SERVICE SHOULD BE PERFORMED BY A
QUALIFIED TECHNICIAN.
WHEN REPLACING TEMPERATURE SENSOR,
HEATER OR CIRCULATING PUMP, MAKE
SURE ALL SEALS ARE WATERTIGHT BEFORE
APPLYING ELECTRICAL POWER.
PARTS REPLACEMENT
1. Drain water from bath.
2. Remove the two pump leads attached to power switch and
green wire from pump to ground lug.
3. Loosen the two visible hose clamps with a screwdriver and
remove tubing from pump.
4. Disconnect pump from pump bracket by removing two
screws and remove pump from bath.
5. Reverse above procedure to install new circulating pump.
1. Drain water from bath.
2. Remove diffuser pan from bath.
3. Remove connector J302 from CPU board.
4. Remove temperature sensor fitting from inside bath pan.
- Hold small nut on fitting firmly with a wrench.
- Remove large fitting piece with another wrench.
5. Remove rubber grommet from temperature sensor.
6. Carefully slide sensor through the control housing and
remove.
7. Reverse above procedure to install new temperature
sensor.
8. Recalibrate new temperature sensor. See Temperature
Calibration on page 15.
12
WARNING
CAUTION
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