avenli SPA4 - Electrical Safety Checks; RCD and Grounding Procedures

RCD test
WARNING: The RCD plug must be tested before each use..
Do not use if RCD test fails and see chapter - Troubleshooting
Grounding
You are recommended to use the services of a qualified electrician to ensure that the
spa is electrically grounded by using a copper conductor of at least 2.5 mm² cross
section.
1. Insert the plug
into the power
outlet.
2. Press the
«RESET» button, the
indicator light turns
red.
3. Press the «TEST»
button, the
indicator light
turns off.
4. Press the «RESET»
button,
the indicator
light turns red. The
RCD works properly.