Lennox CS7500 User Manual

32
Error
Code
Screen Text Priority
0: high
1: middle
2: low
Message
Type
Condition System Action Action to Clear
/ Recovery
Condition
10 humidity sensor
error
1 critical With humidier
or dehumidier)
and conditions
are as follows:
0%: Stat will
detect error
0-5%: Stat may
detect error
5-95%: Normal
operation
95-99%:
Thermostat may
detect error
100%: Thermostat
will detect error
All humidity operation
will stop and the
reading for humidity
will not be valid.
This message indicates
hum sensor is not
working correctly.
The display of Indoor
Humidity on HOME
screen will be “--”.
This error is displayed in
notication screen.
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.
11 humidity sensor
error
1 critical Without humidier
or dehumidier
and the sensor
reads out of range
0% to 100%.
The reading for humidity
will not be valid.
This message indicates
hum sensor is not
working correctly.
The display of Indoor
Humidity on HOME
screen will be “--”.
This error is displayed in
notication screen.
19 Economizer
fault
0 critical F terminal receives
24VAC and error
will be displayed
User can contact the dealer or move
this error to the notication screen.

Lennox CS7500 Specifications

General

Brand	Lennox
Model	CS7500
Category	Thermostat
Language	English