Whirlpool 11-0086-11, Owner'S Manual, Page: 51 / 66

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TROUBLESHOOTING cont...
In.xm internal temperature’s too high
(overheat).
• Remove spa skirt and let system cool down.
• A system reset may be required to clear
error.
OH and blinking temperature higher than
122º F on the keypad display
In.xm detects water temperature higher than
112º F (overheat).
• Remove spa skirt and let system cool down.
• Add cold water and lower filter cycle.
• If error persists, measure the temperature
with a DIGITAL thermometer and compare
reading with the temperature on the display.
If temperature is different, contact your local
dealer to schedule a service call.
A hardware error was detected in in.therm.
(related to electronic circuit only.)
• Restart the spa pack; make sure the heater
restarts by changing the set point.
• If problem persists, contact your local dealer
and schedule a service call.
This error occurs if in.therm is trying to
heat water but does not detect any tem -
perature rise.
• If the thermometer is not correctly connected
Verify voltage.
• Restart the system.
• Replace in.xm if system is equipped with a
stereo which is not working.
• Replace the in.therm if error persists.