Relay 1
Air pump
Continuous aeration
Checking relay
Water temperature
--.-°C
Waiting for the probe
Life support
Equipment control
Requested settings are confirmed against the controller’s actual relay state.
Relay 2
Power head
Water circulation
Checking relay
Relay 3
Aquarium light
Automatic · 4:00 PM to 11:59 PM
Checking relay
Protected control · Relay 4
Water-change pump
This pump stops automatically and never resumes after a controller restart.
Safely off