Appendix B. Diagnostic Info./Available Sys. Settings - Lennox ComfortSense 7000 Series Programming And Application Manual

Appendix B. Diagnostic Information and Hidden Menu Tables
Diagnostic Information Table
Condition
AC power loss for
more than 250ms (1/4
second)
CPU memory error
OR ROM error
Note: If either of these
errors occur, the dis-
play goes blank and
all relays are disabled.
Hi temperature protec-
tion: room temp. ex-
ceeds 96F (35.6C)
Local Temp Sensor er-
ror: local temp sensor
reads out of range
−40F to 158F
EEPROM error (Pow-
er ON)
EEPROM error (Oper-
ating)
Outdoor Sensor error
®
with Humiditrol en-
abled (OR ODT was
used for balance point
control only): outdoor
sensor reads out of
range (−50F to 180F)
Outdoor Sensor error
with Dew point control
enable: outdoor sen-
sor reads out of range
(−50F to 180F)
Display Text
(Screen2)
Display Text (Screen1)
TEMP SENSOR ERROR
CALL FOR SERVICE
MEMORY ERROR
CALL FOR SERVICE
MEMORY ERROR
CALL FOR SERVICE
NO OUTDOOR SENSOR
REMIND SERVICE
NO OUTDOOR SENSOR
REMIND SERVICE
System Action
Lithium Battery will remember
the clock for 30 days. All out-
puts will be off and O/B will re-
member the last state.
No Operation
All stages of heat are turned
off.
Contact Info. Screen Indoor temp is displayed as
"EE" on the home screen. This
will STOP all temperature re-
lated operation.
Contact Info. Screen System shall restore every-
thing to ENERGY STAR
fault and operate. If lithium Bat
tery has charge, it will remem-
ber the previous stored set-
tings.
Contact Info. Screen System shall operate in normal
mode operation until power off.
See No Humiditrol or Humidity op-
REMIND/SERVICE eration is run. D terminal stays
notes activated and other operation
will keep working.
Stat will stop the operation that
requires ODT infro i.e. be-
tween point control & stage
lock in. Stat will switch the
control to the operation that
does not require ODT informa-
tion.
The display of Outdoor sensor
from HOME will be turned
OFF. If user turns on the dis-
play from USER SETTINGS,
this error is displayed again.
See No Dew point control or Hu-
REMIND/SERVICE midity operation is run. D ter-
notes minal stays activated and oth-
er operation will keep working.
Stat will stop the operation that
requires ODT infro i.e. be-
tween point control & stage
lock in. Stat will switch the
control to the operation that
does not require ODT informa-
tion.
The display of Outdoor sensor
from HOME will be turned
OFF. If user turns on the dis-
play from USER SETTINGS,
this error is displayed again.
Page 25
Action to Clear /
Recovery Condition
When AC power is restored,
normal operation resumes.
Replace Thermostat
If temperature goes down, it
will start working again. (Need
to reduce temperature in
space.)
User − call dealer number from
contact information screen and
request thermostat replace-
ment, OR If the sensor reads
back to within the normal oper-
ating range, the error message
will be cleared. Start working
again.
User − call the dealer to re-
®
De- place thermostat.
User − call the dealer to re-
place thermostat.
If the outdoor sensor reads a
value out of its normal range.
(User can call the dealer to re-
place outdoor sensor)
If the outdoor sensor reads a
value within its normal range.
(User can call the dealer to re-
place outdoor sensor)
table continued on next page
ComfortSenset Touch Screen Thermostat