Gecko K-19 User Manual

The Quick Reference Card provides a quick overview of your spa’s
main functions and the operations accessible from your keypad.
Key 1
Press Key 1 to turn Pump 1 on at low speed. Press a second time to turn pump to
high speed (with a dual-speed pump). A third time turns pump off.
A built-in timer automatically turns pump off after 20 minutes*, unless pump has
been manually deactivated first.
The “Pump 1” indicator lights up when Pump 1 is on.
With dual-speed pump, indicator will flash when Pump 1 is on at low speed.
Spa functions
K-19
Key 2 (2 Pump System)
(If equipped with Pump 2)
Press Key 2 to turn Pump 2 on at low speed. Press a second time to turn pump to
high speed. A third time turns pump off.
A built-in timer automatically turns pump off after 20 minutes*, unless it has been
manually deactivated first.
The “Pump 2” indicator lights up when Pump 2 is on.
The indicator will flash when Pump 2 is on at low speed.
Key 2 (2-Pump/Blower System)
(If equipped with blower)
Press Key 2 to turn Pump 2 on at high speed. Pressing a second time turns blower on.
A third press turns Pump 2 off but leaves blower on. A final press turns blower off.
A built-in timer automatically turns Pump 2/blower off after 20 minutes*, unless
Pump 2/blower has been manually deactivated first.
The “Pump 2” indicator
lights up when Pump 2 is on.
The “Blower” indicator
lights up when blower is on.
Single pump system
Two pump system
* Default time

Gecko K-19 Specifications

General

Brand	Gecko
Model	K-19
Category	Control Panel
Language	English

Summary

Spa Functions

Key 1 Operation

Controls Pump 1 speed and off, with auto-off timer. Indicator shows status.

Key 2 Operation (2 Pump System)

Controls Pump 2 speed and off, with auto-off timer. Indicator shows status.

Key 2 Operation (2-Pump/Blower System)

Controls Pump 2 and Blower on/off, with auto-off timer. Indicators show status.

Key and Display Functions

Light Key

Turns the spa light on/off with an automatic 2-hour timer. Indicator shows status.

Up/Down Keys

Adjusts desired water temperature, displaying the selection for 5 seconds.

Off Mode Activation

Stops all outputs for 30 minutes for maintenance; activated by holding Key 1.

Temperature Display Units

Allows switching the temperature display between Fahrenheit (°F) and Celsius (°C).

Programming and System Modes

Filter Cycle Programming

Sets filter cycle frequency (number of cycles per day) and duration.

Purge Cycle Programming

Sets purge cycle frequency (number of cycles per day).

Water Temperature Regulation

System ensures accurate temperature readings and prevents dry heater activation.

Smart Winter Mode

Protects system from freezing by cycling pumps, preventing water from freezing in pipes.

Cooldown Operation

Heater is deactivated; its icon flashes. Task prevents heater turn-on.

Troubleshooting Error Codes

Error Code Explanations

Lists common error codes (Hr, HL, AOH, FLO, Prr, OH, rLy, UPL) and provides resolution steps.