Braeburn 5200 User Manual page 8

6
TROUBLESHOOTING
SYMPTOM POTENTIAL SOLUTION
Thermostat will not
Check current time of day, day of week program settings. Make
sure to verify AM/PM indicator is accurately displaying desired
follow program
time settings. See Setting Current Time of Day and Day of Week
setpoints.
section of this manual.
Check to see if OFF is shown in display. This indicates that the
system is turned off at the thermostat. Move the system selector
switch to the HEAT or COOL position. After the compressor short
cycle protection 5-minute period expires the system should start
within several seconds.
Verify your program setpoint time entries. The heating and
cooling programs utilize the same setpoint times, but have
individual setpoint temperatures for the MORN, DAY, EVE and
NIGHT setpoints. See Setting Your Energy Saving Program
section of this manual.
Thermostat program has been temporarily overridden and
program indicator is flashing in the display. Wait till next setpoint
and the temporary override will expire or change setpoint
temperature to desired comfort level.
Thermostat program is in Extended Hold (Vacation) Mode and
HOLD and TEMP is showing in display. Press HOLD button to
release permanent hold and return the thermostat to normal
program operation.
Thermostat turns
Increase or decrease first stage temperature differential setting
as appropriate to provide the desired performance level. See
heating or cooling
Setting Temperature Differential and Residual Cooling Fan
system on too often
Feature section of this manual.
or not often enough.
Thermostat turns on Increase or decrease second (auxiliary) stage temperature
differential setting as appropriate to provide the desired
second (auxiliary)
performance level. See Setting Temperature Differential and
stage of heating or
Residual Cooling Fan Feature section of this manual.
cooling too quickly or
not quickly enough.
Low battery indicator Replace back-up batteries as soon as possible.
See Low Battery Detection and Replacement section of
is shown in
this manual.
thermostat display.
OFF is shown in This indicates that the system is turned off at the thermostat.
Move the system selector switch to HEAT or COOL position.
thermostat display
After the compressor short cycle protection 5-minute period
and heating or
expires the system should start within several seconds.
cooling system will
not start.
The room is too See Review Set Temperature section of this manual to verify the
current setpoint and make any modifications that are necessary.
warm or too cold.
cont.
14
6
TROUBLESHOOTING
SYMPTOM POTENTIAL SOLUTION
Thermostat display It is possible that AC power is not present at the thermostat and
the back-up batteries are fully discharged. Check fuse, circuit
is blank.
breaker and thermostat wiring as appropriate to verify AC power
is available. Replace back-up batteries before reprogramming
thermostat to make sure you have back-up power. See Low
Battery Detection and Replacement and Setting Your Energy
Saving Program sections of this manual.
If AC Power is present, call a professional service technician to
verify thermostat and system performance.
Thermostat will not
This is above the normal thermostat temperature setting range
of 45˚ to 90˚ F (7˚ to 32˚ C).
allow me to program
a setpoint
temperature higher
than 90˚ F (32˚ C).
HI is shown in the
The temperature sensed by the thermostat is higher than the
99˚ F (37˚ C) upper limit of the thermostats display range. The
thermostat display
display will return to normal after the sensed temperature
where the room
lowers within the 40˚ to 99˚ F (5˚ to 37˚ C) display range. Turn on
temperature is
the cooling system or use other methods to lower the
normally displayed.
temperature accordingly.
This condition could occur from the system being turned off
during an exceptionally warm period or upon installation when
the thermostat has been stored for a long period of time in a
warm vehicle or location prior to being installed. The thermostat
is equipped with a mechanical high temperature safety switch
that will turn off the system should the temperature exceed
99˚ F (37˚ C).
LO is shown in the The temperature sensed by the thermostat is lower than
the 40˚ F (5˚ C) lower limit of the thermostats display range.
thermostat display
The display will return to normal after the sensed temperature
where the room
rises within the 40˚ to 99˚ F (5˚ to 37˚ C) display range. If the
temperature is
temperature in the controlled space seems to be normal,
normally displayed.
wait for the thermostat to acclimate to the correct room
temperature. If the room seems to be colder than usual, turn
on the heating system to raise the temperature as needed for
comfort within the room.
This condition could occur from the system being turned off
during a cold weather period or upon installation when the
thermostat has been stored for a long period of time in a cold
vehicle or location prior to being installed. The thermostat
should be allowed to warm up prior to installation to allow
proper heating control once installed.
Thermostat will not This is below the normal thermostat temperature setting range
of 45˚ to 90˚ F (7˚ to 32˚ C).
allow me to program
a setpoint
temperature lower
than 45˚ F (7˚ C).
cont.
15