Operating the system | 4
B1300122_en | Operating instructions Lambdamat LM 800-1000
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4.3.5 Switching off the power supply
WARNING
When turning off the main switch in automatic mode:
Serious combustion faults leading to serious accidents are possible.
Before turning off the main switch:
r
Switch boiler off by tapping “Boiler OFF”
Ä
The boiler follows the shutdown procedure and switches to "Switched off OFF“
status after the cleaning cycle
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Turn off the main switch
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Boiler controller is switched off
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The components powered via the control cabinet are powered down
Ä
CAUTION: the expansion switch cabinet, which has its own power supply, is still
live.
NOTICE! Frost protection function is no longer active!