Care And Maintenance - Carrier 58SU0A Installation, Start-Up, Operating And Service And Maintenance Instructions

For an explanation of status codes, refer to service label located
on blower access door or Fig. 35 and the Service guide at the end
of this manual.
See Fig. 35 for a summary of fault codes and a brief explanation
of fault codes.
The stored status code will not be erased from the control
memory, if 115− or 24−v power is interrupted.
1. To retrieve status code, proceed with the following:
NOTE: NO thermostat signal may be present at control, and all
blower−OFF delays must be completed.
a. Remove outer access door.

CARE AND MAINTENANCE

WARNING
!
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Never store anything on, near, or in contact with the
furnace, such as:
1. Spray or aerosol cans, rags, brooms, dust mops,
vacuum cleaners, or other cleaning tools.
2. Soap powders, bleaches, waxes or other cleaning
compounds, plastic or plastic containers, gasoline,
kerosene, cigarette lighter fluid, dry cleaning fluids,
or other volatile fluids.
3. Paint thinners and other painting compounds, paper
bags, or other paper products.
For continuing high performance and to minimize possible
equipment failure, periodic maintenance must be performed on
this equipment. Consult your local dealer about proper frequency
of maintenance and the availability of a maintenance contract.
b. Remove inner blower door.
c. Close blower door interlock switch.
d. Depress and hold SW1 button once (for less than 5
seconds).
2. When above items have been completed, the LED flashes
the fault code history (up to 5 fault codes from newest to
oldest). Record the status code(s) for further troubleshoot-
ing.
3. Check LED status. If no previous faults in the history,
control will rapidly flash the LED GREEN.
Fig. 35 − Service Label
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in personal
injury, death or property damage.
Turn off the gas and electrical supplies to the unit and
install lockout tag before performing any maintenance
or service. Follow the operating instructions on the label
attached to the furnace.
CARBON MONOXIDE POISONING AND
FIRE HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Never operate unit without a filter or with filter access door
removed.
31
WARNING
!
WARNING
!
A180212