Lennox CS7500 Installation And Setup Manual page 32

Error Screen Text
Code
10 humidity sensor
error
11 humidity sensor
error
19 Economizer
fault
Priority Message
0: high Type
1: middle
2: low
1 critical
1 critical
0 critical
Condition
With humidifier All humidity operation
or dehumidifier) will stop and the
and conditions reading for humidity
are as follows: will not be valid.
0%: Stat will This message indicates
detect error hum sensor is not
working correctly.
0-5%: Stat may
detect error The display of Indoor
Humidity on HOME
5-95%: Normal
screen will be "--".
operation
This error is displayed in
95-99%:
notification screen.
Thermostat may
detect error
100%: Thermostat
will detect error
Without humidifier The reading for humidity
or dehumidifier will not be valid.
and the sensor
This message indicates
reads out of range
hum sensor is not
0% to 100%.
working correctly.
The display of Indoor
Humidity on HOME
screen will be "--".
This error is displayed in
notification screen.
F terminal receives User can contact the dealer or move
24VAC and error this error to the notification screen.
will be displayed
32
System Action Action to Clear
Either thermostat
will have to be
replace or if the
sensor returns to
normal operating
range, the error
message will
automatically
clear and
the system
will resume
operation.
/ Recovery
Condition