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Indicates the controller has detected a
fault condition and stopped humidifier.
Check display for fault information
Service LED On
Indicates that service may be required
or that a warning condition exists.
Check display for warning information
Service LED Blinking
Indicates drain button has been pushed
and unit is draining.
Indicates steam is being produced.
ON LED Blinking
Indicates demand with safety loop open.
DEMAND LED On
Indicates steam is being produced.
DEMAND LED Blinking
Indicates humidifier is in standby waiting
SERVICE LED Flashing
Indicates the controller has detected a
fault. The flash sequence of the LED
indicates which fault has been detected.
FAULT LED On
Indicates the controller has detected a
fault condition and stopped humidifier.
Read Service
flash sequence to
determine fault detected.
Fault LED On
ON LED On
for a demand.
DEMAND
ON
SERVICE
OFF
FAULT
DRAIN
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