Kohler K-820 Homeowner's Manual page 12

Troubleshooting Procedures (cont.)
Symptoms
8. Blower motor operates,
air bubbles are formed,
zone controls work, but
variable speed feature
does not work.
9. Blower motor won't turn
off when the On/Off
button on user keypad is
pressed.
10. A zone does not produce
air bubbles but another
zone operates normally.
11. Surge mode does not
work.
12. Water spillage or damage
observed under the bath.
1146920-5-B
Probable Causes
E. Control does not work.
A. Blower motor inlet is blocked.
B. Loose, disconnected, or
damaged wiring harness.
C. User keypad does not work.
D. Blower motor does not work.
E. Control does not work.
A. User keypad does not work.
B. Loose, disconnected, or
damaged wiring harness.
C. Control does not work.
A. Zone is not selected.
B. Butterfly valve does not work.
C. Loose, disconnected, or
damaged wiring harness.
D. User keypad does not work.
E. Control does not work.
A. User keypad does not work.
B. Control does not work.
A. Drain or overflow leaking.
B. Wall, deck, and/or shower door
is improperly sealed.
C. Water leaks from air harness.
Recommended Action
E. Replace the control. Refer to your
installer or wholesale dealer.
A. Clean blower motor inlet.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary. Refer to your
installer or wholesale dealer.
C. Replace the user keypad. Refer to
your installer or wholesale dealer.
D. Replace the blower motor. Refer to
your installer or wholesale dealer.
E. Replace the control. Refer to your
installer or wholesale dealer.
A. Replace the user keypad. Refer to
your installer or wholesale dealer.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary. Refer to your
installer or wholesale dealer.
C. Replace the control. Refer to your
installer or wholesale dealer.
A. Select the zone according to the
instructions in "User Keypad and
Bath with Airjets Modes/Features."
B. Replace the butterfly valve. Refer to
your installer or wholesale dealer.
C. Check wiring for proper
connections. Replace the wiring
harness if necessary. Refer to your
installer or wholesale dealer.
D. Replace the user keypad. Refer to
your installer or wholesale dealer.
E. Replace the control. Refer to your
installer or wholesale dealer.
A. Replace the user keypad. Refer to
your installer or wholesale dealer.
B. Replace the control. Refer to your
installer or wholesale dealer.
A. Repair or replace the drain
assembly according to the
manufacturer's instructions.
B. Apply silicone sealant at the seams
between the bath and the wall,
deck, or door.
C. Repair or replace components as
needed. Refer to you installer or
wholesale dealer.
12 Kohler Co.