Carrier window room air conditioner troubleshooting

The Carrier air conditioners are so reliable and durable that it is extremely complex to break this apparatus even having a great desire. In this forces majeure circumstances, the Сarrier air conditioner troubleshooting system will help you to find and correct any breakdown. Do not doubt of your power and possibilities. Refer to this useful system. Simply follow the instruction. Determine those cases, when can you cope with the problem yourself and those ones, which require someone experienced.

Carrier Window Room Air Conditioner Error Codes and troubleshooting

PROBLEMPOSSIBLE CAUSESOLUTION
Unit does not start1. Blown fuse
2. Circuit breaker tripped
3. Unit cord unplugged
4. Supply volt age too low.
1. Replace only once.
2. Reset only once .
3. Replug into wall recept acle
4. Consult electrician.
Unit does not cool
properly
1. Air filter dirty
2. Improper thermost at setting.
3. Unit on dry mode.
4. Unit on sleep mode.
5. Check if the air conditioner is
exposed to sunlight.
1. Clean the air filter .
2. Reset to desired temperature setting.
3. Press cool button.
4. Press sleep button.
5. Provide an awning.
Fan motor does
not run
1. Check whether fan hitting
cowling or foreign material.
2. Check fan motor bearing.
1. Adjust fan position or remove the
foreign material.
2. Replace fan motor .
Ice or frost forms
on indoor coil
1. Low out side temperature.
2. Air filter dirty.
3. Check system for leak.
4. Check thermostat.
1.Operate the fan without cooling until
the frost disappears.
2. Clean the air filter .
3. Rep air and recharge.
4.Replace thermost at if defective.
Water dripping
into the room
1. Outer wrapper not tilted properly
on the outside.
2. Drain hole clogged.
1. Tilt the outer wrapper by maximum of
10mm.
2. Clean drain hole.
E5 Coil thermistor problemCheck coil thermistor
E4Room thermistor problemCheck room thermistor
E3Unrecoverable loss of E2RAM dataShut down the unit and restart.
E2Loss or corruption of stored dataUsing remote control, go to Cool mode
and shut down the system, & then restart
E1Code validation check failShut down the unit and rest art
FLFilter check warningPress the ‘mode” and “ “ (down) buttons simultaneously for 3-5 sec.

Carrier air conditioner İ-Cool Series troubleshooting

ProblemPossible causeSolution
Unit does not start1 . Blown fuse 2. Circuit breaker tripped 3, Unit cord unplugged 4, Supply voltage too low.
1. Replace only once. 2. Reset only once. 3. Replug into wall receptacle. 4. Consult electrician.
Unit does not cool properly
1. Air filter dirty. 2. Improper thermostat setting. 3. Unit on dry mode. 4. Unit on sleep mode. 5. Check if air conditioner is exposed to sunlight.1. Clean air filter. 2. Reset to desired temperature setting. 3. Press cool button. 4. Press sleep button. 5. Provide an awning.
Fan motor does not run
1, The fan maybe hitting cowling or foreign mat'l. 2. Check fan motor bearing.
1 . Adjust fan position or remove the foreign material. 2. Replace fan motor.
Ice of frost forms on the indoor coil
1 . Low outside temperature. 2. Air filter dirty. 3. Check system for leak. 4. Check thermostat.
1 . Operate the fan w/o cooling until the frost disappears. 2. Clean air filter. 3. Repair and recharge. 4. Replace thermostat if defective.
Water dripping into the room
1. Outer wrapper not tilted properly on the outside. 2, Drain hole clogged.
1, Tilt the outer wrapper by 10mm, max 2. Clean drain hole.


CODEDESCRIPTIONREQUIRED ACTION
rERoom sensor is open or short circuit.Replace with new sensor.
FrFreeze fail function is activated.Check filter; refrigerant leak.
Turn off main power & restart the unit
CFCooling fail action is activated.Check compressor operation.
Turn off main power & restart the unit.
rdRun-hour deactivated.
Activate run-hour feature.
rARun-hour activated.
--Cycle mode is activated.
None. Wait for the normal display.
X10 LED blinking
Reset the run-hour counter timer.
Timer light indicator blinkingFilter clean warning
Check filter.
Turn off main power & restart the unit.