resideo M35758A, Homeowners Operating Manual, Page: 13 / 48

EVER
YD
AY
OPERA
TION
The HM700 user interface includes 2 LEDs that provide information about the humidifier status.
M35828
STATUS DRAIN OFF ON
YELLOW GREEN
Yellow and Green LED Flashing.
Indicates there is no request for humidity.
Yellow LED Flashing.
Fault detected, humidifier has stopped operating.
Green LED Flashing.
Indicates the humidifier is powered, but the
control equipment (stat, air proving, fan, etc.) has
interrupted the call for humidity.
Yellow LED On.
Indicates that water level is high. When the yellow
LED is steady on (not flashing) it indicates that
the high water sensor has interrupted filling of the
cylinder. The LED is on for information only and
unless it persists for an extended period of time, it
does not require any action.
Green LED On.
Indicates steam is being produced.
What do the lights tell me?
Steam Humidification System 33-00165EFS—03 11