Braeburn 5050 User Manual download pdf (Page 7)

12 13

TROUBLESHOOTING

cont.

SYMPTOM POTENTIAL SOLUTION

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 feature may be in effect due to

compressor short cycle conditions, power outages or rolling

blackouts. See Compressor Protection section for full

explanation of this feature.

Heating or cooling system may be malfunctioning. Call a

professional service technician immediately to verify

system operation.

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.

Verify your program setpoint time entries. The heating and

cooling programs utilize the same setpoint times, but have

individual set point 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. Press RETURN

button to return the thermostat to normal program operation or

wait until next setpoint and the temporary override will expire.

Thermostat program is in Extended Hold (Vacation) Mode and

HOLD and TEMP is showing in display. Press HOLD or RETURN

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 ﬁrst stage temperature differential setting

as appropriate to provide the desired performance level. See

Setting Temperature Differential section 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.

LO is shown in the

thermostat display

where the room

temperature is

normally displayed.

HI is shown in the

thermostat display

where the room

temperature is

normally displayed.

The temperature sensed by the thermostat is higher than the

90˚ F (32˚ C) upper limit of the thermostats display range.

The display will return to normal after the sensed temperature

lowers within the 45˚ to 90˚ F (7˚ to 32˚ 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 thermostat should the temperature exceed

99˚ F (37˚ C).

Thermostat turns on

heating instead of

cooling or cooling

instead of heating.

The temperature sensed by the thermostat is lower than the

45˚ F (7˚ C) lower limit of the thermostats display range. The

display will return to normal after the sensed temperature

rises within the 45˚ to 90˚ F (7˚ to 32˚ 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.

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Braeburn 5050 User Manual Page 7

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