Braeburn 5050 Specifications download pdf (Page 7)

TROUBLESHOOTING

SYMPTOM POTENTIAL SOLUTION

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 display. Wait until next setpoint

and the temporary override will expire or change the setpoint

manually for comfort.

Thermostat program is in Permanent 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

heating or cooling

system on too often

or not often enough.

Increase or decrease temperature differential setting as

appropriate to provide the desired performance level. See

Setting Temperature Differential and Residual Cooling Fan

Feature section of this manual.

Thermostat does not

turn on heating or

cooling system.

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 a minutes time.

Compressor protection features may be in effect due to

compressor short cycle conditions, power outages or rolling

blackouts. See Compressor Protection Feature section for full

explanation of this feature.

Heating or cooling system may be malfunctioning. Call a

professional service technician to verify system operation.

Thermostat turns on

heating instead of

cooling.

Check thermostat wiring to make sure that the heating and

cooling stages are connected to the correct terminals on the

wiring terminal block. See Installation and Wiring Diagrams

sections of this manual.

Thermostat turns on

cooling instead of

heating.

Check thermostat wiring to make sure that the heating and

cooling stages are connected to the correct terminals on the

wiring terminal block. See Installation and Wiring Diagrams

sections of this manual.

Thermostat will not

follow program

setpoints.

Check current time of day, day of week program settings. Make

sure to verify AM/PM indicator is accurately displaying desired

time settings. See Setting Current Time of Day and Day of Week

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.

Low battery indicator

is shown in

thermostat display.

Replace batteries immediately to maintain proper system

operation. See Low Battery Detection and Replacement

section of this manual.

OFF is shown in

thermostat display

and heating or

cooling system will

not start.

This indicates that the system is turned off at the thermostat.

The thermostat must be in HEAT or COOL modes of operation to

control the heating or cooling system. Move the system selector

switch to the HEAT or COOL position.

Thermostat display

is blank.

It is possible that the batteries are drained and not providing

power for the thermostat to control the system. Replace

batteries immediately to maintain proper system operation. See

Low Battery Detection and Replacement section of this manual.

If you replace the batteries and the display does not appear, call

a professional service technician to verify thermostat and

system performance.

SYMPTOM POTENTIAL SOLUTION

LO is shown in the

thermostat display

where the room

temperature is

normally displayed.

The temperature sensed by the thermostat is lower than the 40˚

F (5˚ C) lower limit of the thermostats display range. The display

will return to normal after the sensed temperature rises within

the 40˚ to 99˚ F (5˚ to 37˚ C) display range. If the temperature in

the controlled space seems to be normal, 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.

HI is shown in the

thermostat display

where the room

temperature is

normally displayed.

The temperature sensed by the thermostat is higher than the

99˚ F (37˚ C) upper limit of the thermostats display range. The

display will return to normal after the sensed temperature

lowers within the 40˚ to 99˚ F (5˚ to 37˚ C) display range. Turn on

the cooling system or use other methods to lower the

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).

TROUBLESHOOTING

cont.

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Braeburn 5050 Specifications Page 7

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