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not use UltraVision, push the Dimension One Spas icon  (logo) pad to
reset the system.
NOTE: If you purchased an UltraVision cartridge subsequent to the ini-
tial start up of your spa, please  do a 'hard reset' of the system as outlined
on the preceding page to reset the  six month time frame.  Please be aware
that a hard reset will also reset  your clock, filtration cycles, etc. to the
factory defaults.  
SPACHECK-UP
When "SPACHECK  UP" is displayed on the LCD, the spa has been  in
service for 2 years.  We recommend that you have your  spa inspected by
your dealer as a preventative maintenance measure.   Push the Dimension
One spas icon to reset the system.   
NOTE: To eliminate any prompting message on the LCD the system can
be reset by pushing the Dimension One  Spas icon on the right end of the
control.  If the error still exists  the message will redisplay.
DIAGNOSTIC MESSAGESOVERHEAT
When “OVERHEAT” along with the water temperature of the spa, is  dis-
played on the LCD, the spa is  in a high limit condition.  In such a condi-
tion, DO NOT ENTER THE WATER.  If this happens, remove the spa
cover and allow the water to cool below  106˚ F, then push any pad on the
upper control and the system will reset.   If the problem recurs, turn off all
power to the spa and contact your local  Authorized Dimension One Spas
dealer, or authorized service center.
LOW FLOW
When “LOW FLOW” is displayed on the LCD,  check the following: 
1) Check the water level to see if it is too  low.  If the water level is too
low, fill the spa to one to two  inches above the bottom of the tile line. 
2) Check the Ultra Pure filter cartridge to make sure  that it is clean and
not impeding the flow of water.  If the filter  is dirty, clean it and rein-
stall.  
3) A flow switch has malfunctioned.  The spa will operate but  the heater