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GFCI Protection

Your spa may be equipped with a GFCI Protection 
feature. If your spa does have this feature enabled, the 
GFCI Trip Test must occur to allow proper spa function.

Within 1 to 7 days after startup, the spa will trip 
the GFCI to test it. (The number of days is factory 
programmed.) The GFCI must be reset once it has been 
tripped. After passing the GFCI Trip Test, subsequent 
GFCI trips will indicate a ground fault or other unsafe 
condition requiring the power to the spa to be shut off.

GFCI Trip Test Procedure

The installer can cause the GFCI Trip Test to 
occur sooner by initiating it with the following 
button sequence.

Press “Temp”, then “Jets”, then “Light.” (Each press must 
be within 3 seconds of the previous press.) Press the 
“Temp” button repeatedly until “

” is displayed. Press 

“Jets” to select it. Press the “Temp” button until “

” is 

displayed. Press “Jets” to initiate the GFCI Trip Test.

The GFCI should trip within several seconds and the spa 
should shut down. If it does not, shut down the power 
and manually verify that a GFCI breaker is installed and 
that the circuit and spa are wired correctly. Verify the 
function of the GFCI with its own test button. Restore 
power to the spa and repeat the GFCI Trip Test.

Once the GFCI is tripped by the test, reset the GFCI and 
the spa will operate normally from that point. You can 
verify a successful test by navigating to the “

” item 

as described above, pressing “Jets” and then pressing the 
“Temp” button until you see “

”. The code signifies 

GFCI Status - Passed.

The system will exit this menu in 30 seconds if no 
buttons are pressed.

Periodic Reminder Messages 

(Press the “Temp” button to reset a displayed reminder.*)

Message **

Frequency ***

Action Required

Every 7 days

Test and adjust pH chemical levels per manufacturer’s instructions.

Every 7 days

Test and adjust sanitizer chemical levels per manufacturer’s instructions.

Every 30 days Remove, clean, and reinstall filter per manufacturer’s instructions.

Every 30 days Test & reset GFCI per manufacturer’s instructions.

Every 90 days Drain and refill spa per manufacturer’s instructions.

Every 180 days Clean and condition cover per manufacturer’s instructions.

Every 180 days Clean and condition wood per manufacturer’s instructions.

Every 365 days Install new filter.

As needed

Install new Mineral cartridge.

* User can suppress all reminders in User Preferences.

** All of these Periodic Messages can be disabled individually by the spa manufacturer.

*** Any of these frequencies may be changed by the spa manufacturer.

Warning: 

The Owner should test and reset the GFCI 

on a regular basis to verify its function.

Note:

The GFCI section does not apply on EL systems used outside the United States.

This GFCI section does not apply to GL Systems.

Summary of Contents for ML260

Page 1: ...Light Temp Jets Aux Light Temp Jets Note regarding EL and GL systems Mach 3 EL and GL systems function identically but conform to different International requirements This user guide will refer to EL...

Page 2: ......

Page 3: ...shutting off automatically Certain conditions filters or freeze can cause a function to operate longer while faults can cause a function to operate for a shorter length of time The system keeps track...

Page 4: ...Mode Pressing Temp followed by Aux or Jets 2 or Blower will turn off all spa functions temporarily This is helpful when changing a filter Pressing any button exits Standby mode On some systems the Jet...

Page 5: ...the temperature thresholds determined by the switch See your dealer for details Locking Features If this panel is used as the main panel locking features will not be available If this panel is used as...

Page 6: ...factory default When set to through the number is the address see your Dolphin II manual for details Editing User Preferences View the setting The left two characters before the decimal point tell you...

Page 7: ...reset the GFCI and the spa will operate normally from that point You can verify a successful test by navigating to the item as described above pressing Jets and then pressing the Temp button until you...

Page 8: ...nce the heater has cooled reset by pushing any button If spa does not reset shut off the power to the spa and call your dealer or service organization DO NOT ENTER THE WATER Remove the spa cover and a...

Page 9: ...solid on the display when the temperature is not current will alternate with the temperature when the temperature is current Operates the same as Standard mode then reverts to Economy mode after 1 hou...

Page 10: ...operation med hi off or 3 speed operation lo med hi off If left on the blower will automatically turn off after a timeout period Fiber optional on some systems If a fiber optic light with wheel is in...

Page 11: ...nnect only to a circuit protected by a Class A ground fault circuit interrupter To ensure continued protection against shock hazard use only identical replacement parts when servicing Install a suitab...

Page 12: ...o not attempt service of this control system Contact your dealer or service organization for assistance Follow all owner s manual power connection instructions Installation must be performed by a lice...

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