TROUBLESHOOTING

 

 

POSSIBLE CAUSES

SOLUTIONS

UNIT DOES NOT START

 

Unit may have become unplugged

Check that plug is securely in wall receptacle.

Fuse may have blown

Replace the fuse. See Note 1.

Circuit breaker may have been tripped

Reset circuit breaker. See Note 1.

Unit mode dial may be set to the OFF position

Switch mode dial to an operating mode.

UNIT NOT COOLING/HEATING ROOM

 

Unit air discharge section is blocked

Make sure that curtains, blinds or furniture are not restricting or

 

blocking unit airflow.

Temperature setting is not high or low enough

Reset to a lower or higher temperature setting.

Unit air filters are dirty

Room is excessively hot or cold when unit is started Allow sufficient amount of time for unit to heat or cool the room. Start heating or cooling early before outdoor temperature, cooking heat or gatherings of people make room uncomfortable.

Vent door left openClose vent door.Remove and clean filters.

UNIT MAKING NOISES

Clicking, gurgling and whooshing noises are normal during opera-

 

tion of unit.

WATER DRIPPING OUTSIDE

If a drain kit has not been installed, condensation run-off during

 

very hot and humid weather is normal. See Note 2. If a drain kit

 

has been installed and is connected to a drain system, check

 

gaskets and fittings around drain for leaks and plugs.

WATER DRIPPING INSIDE

 

Wall sleeve is not installed level

Wall sleeve must be installed level for proper drainage of conden-

 

sation. Check that installation is level and make any necessary

 

adjustments.

ICE OR FROST FORMS ON INDOOR COIL

 

Low outdoor temperature

When outdoor temperature is approximately 55 F or below, frost

 

may form on the indoor coil when unit is in Cooling mode. Switch

 

unit to FAN operation until ice or frost melts.

Dirty filters

Remove and clean filters.

NOTES:

1.If circuit breaker is tripped or fuse is blown more than once, contact a qualified electrician.

2.If unit is installed where condensation drainage could drip in an undesirable location, an accessory drain kit should be installed and connected to drain system.

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Carrier Access 52C owner manual Troubleshooting, Possible Causes Solutions Unit does not Start

52C specifications

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