Wednesday, December 7, 2016

Carrier Central AC Fault Codes

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The status codes flashed by the amber status light.
Most system problems can be diagnosed by reading the status code as flashed by the amber status light on the control board.
The codes are flashed by a series of short and long flashes of the status light. The short flashes indicate the first digit in the status code, followed by long flashes indicating the second digit of the error code.

The short flash is 0.25 seconds ON and the long flash is 1.0 second ON. Time between flashes is 0.25 seconds. Time between short flash and first long flash is 1.0 second. Time between code
repeating is 2.5 seconds with LED OFF.
EXAMPLE:
3 short flashes followed by 2 long flashes indicates a 32 code.


OPERATION = Standby – no call for unit operation
FAULT = None
AMBER LED FLASH CODE = On solid, no flash
POSSIBLE CAUSE AND ACTION = Normal operation

OPERATION = Low Stage Cool/Heat Operation
FAULT = None
AMBER LED FLASH CODE = 1, pause
POSSIBLE CAUSE AND ACTION = Normal operation

OPERATION = High Stage Cool/Heat Operation
FAULT = None
AMBER LED FLASH CODE = 2, pause
POSSIBLE CAUSE AND ACTION = Normal operation

OPERATION = Brown out protection is Disabled
FAULT = None
AMBER LED FLASH CODE = 5, pause
POSSIBLE CAUSE AND ACTION = User made selection, see instructions for more detail

OPERATION = Brown out protection is Active
FAULT = None
AMBER LED FLASH CODE = 6, Pause
POSSIBLE CAUSE AND ACTION = User made selection, see instructions for more detail

OPERATION =
FAULT = System Communications Failure
AMBER LED FLASH CODE = 16
POSSIBLE CAUSE AND ACTION = Communication with User Interface lost. Check wiring to User Interface, indoor and outdoor units

OPERATION =
FAULT = Invalid Model Plug
AMBER LED FLASH CODE =25
POSSIBLE CAUSE AND ACTION = Control does not detect a model plug or detects an invalid model plug. Unit will not operate without correct model plug.

OPERATION =
FAULT = High Pressure Switch Open
AMBER LED FLASH CODE = 31*
POSSIBLE CAUSE AND ACTION = High---pressure switch trip. Check refrigerant charge, outdoor fan operation and coils for airflow restrictions

OPERATION =
FAULT = Low Pressure Switch or Discharge Temp Switch Open
AMBER LED FLASH CODE = 32*
POSSIBLE CAUSE AND ACTION = Low---pressure switch or discharge temperature switch trip. Check refrigerant charge and indoor air flow.

OPERATION =
FAULT = Control Fault
AMBER LED FLASH CODE = 45
POSSIBLE CAUSE AND ACTION = Outdoor unit control board has failed. Control board needs to be replaced.

OPERATION =
FAULT = Brown Out (230 v)
AMBER LED FLASH CODE = 46
POSSIBLE CAUSE AND ACTION = Line voltage < 187v for at least 4 seconds. Compressor and fan operation not allowed until voltage>190v. Verify line voltage.

OPERATION =
FAULT = No 230v at Unit
AMBER LED FLASH CODE = 47
POSSIBLE CAUSE AND ACTION = There is no 230v at the contactor when indoor unit is powered and cooling/ heating demand exists. Verify the disconnect is closed and 230v wiring is connected to the unit.

OPERATION =
FAULT = Outdoor Air Temp Sensor Fault
AMBER LED FLASH CODE = 53
POSSIBLE CAUSE AND ACTION = Outdoor air sensor not reading or out of range. Ohm out sensor and check wiring.

OPERATION =
FAULT = Outdoor Coil Sensor Fault
AMBER LED FLASH CODE = 55
POSSIBLE CAUSE AND ACTION = Coil sensor not reading or out of range. Ohm out sensor and check wiring.

OPERATION =
FAULT = Thermistors out of range
AMBER LED FLASH CODE = 56
POSSIBLE CAUSE AND ACTION = Improper relationship between coil sensor and outdoor air sensor. Ohm out sensors and check wiring.

OPERATION =
FAULT = Low Stage Thermal Cutout
AMBER LED FLASH CODE = 71*
POSSIBLE CAUSE AND ACTION = Compressor operation detected then disappears while low stage demand exists. Possible causes are internal compressor overload trip or start relay and capacitor held in circuit too long (if installed).

OPERATION =
FAULT = High Stage Thermal Cutout
AMBER LED FLASH CODE = 72*
POSSIBLE CAUSE AND ACTION = Compressor operation detected then disappears while high stage demand exists. Possible causes are internal compressor overload trip or start relay and capacitor held in circuit too long (if installed)

OPERATION =
FAULT = Contactor Shorted
AMBER LED FLASH CODE = 73
POSSIBLE CAUSE AND ACTION = Compressor voltage sensed when no demand for compressor operation exists. Contactor may be stuck closed or there is a wiring error.

OPERATION =
FAULT = No 230V at Compressor
AMBER LED FLASH CODE = 74
POSSIBLE CAUSE AND ACTION = Compressor voltage not sensed when compressor should be starting. Contactor may be stuck open or there is a wiring error

OPERATION =
FAULT = Low Stage Thermal Lockout
AMBER LED FLASH CODE = 81
POSSIBLE CAUSE AND ACTION = Thermal cutout occurs in three consecutive low/high stage cycles. Low stage locked out for 4 hours or until 24v power recycled

OPERATION =
FAULT = High Stage Thermal Lockout
AMBER LED FLASH CODE = 82
POSSIBLE CAUSE AND ACTION = Thermal cutout occurs in three consecutive high/low stage cycles. High stage locked out for 4 hours or until 24v power recycled.

OPERATION =
FAULT = Low---Pressure Lockout
AMBER LED FLASH CODE = 83
POSSIBLE CAUSE AND ACTION = Low pressure switch trip has occurred during 3 consecutive cycles. Unit operation locked out for 4 hours or until 24v power recycled.

OPERATION =
FAULT = High ---Pressure Lockout
AMBER LED FLASH CODE = 84
POSSIBLE CAUSE AND ACTION = High pressure switch trip has occurred during 3 consecutive cycles. Unit operation locked out for 4 hours or until 24v power recycled.

Sequence: Compressor contactor is de---energized and outdoor fan is energized for up to 15 minutes. If demand still exists, control will energize compressor contactor after 15 minute delay. If fault is cleared, unit will resume operation. If fault still exists, fan shuts off, and error code continues to flash. Control will attempt re--- start every 15 minutes. Cycling low voltage defeats the 15 minute delay



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Thursday, December 1, 2016

Daikin LXE10E -A33 LXE10E -A33A Alarm display and back-up function

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Note 1) The alarm LED does not blink when E code alarm is generated.
To check if any alarm generates, use alarm indication function in the section "1. Current indication
mode" of "3.3.2 Mode operation procedure.
2) In the event error E101, E103, E107, or E109 occurs 10 times, the system will go to 4-hour standby mode.
When both evaporators have malfunctioned, the unit stops.
3) In case of sensor malfunction, the judgment for sensor malfunction does not perform for 3 minutes before the pressure or temperature reaches to the specified value.

Alarm grouping = Permanent stop
Alarm code = F101
Alarm content = HPS activated within 30 seconds after operation start or protection device activated 5 times at start-up operation or Fuse 1 brown (Refer Page 7-7).
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F109
Alarm content = Low- pressure drops to–85kPa or lower within 2 seconds after operation start
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F111
Alarm content = HPS does not activate when it reaches to the set value
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F301
Alarm content = Temperature setting required (SRAM failure)
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F401
Alarm content = Return / Supply for data / Supply air sensor malfunction (at chilled mode)
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F603
Alarm content = Suction modulating valve (SMV) does not fully close contrary to the designation
or initial setting of the controller is wrong
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F701
Alarm content = Abnormal high voltage (over 600V) or low voltage (under 300V)
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F705
Alarm content = S phase became open phase
Action with alarm = Unit stops

Alarm grouping = Permanent stop
Alarm code = F803
Alarm content = Abnormalities, which make it impossible to continue operation (Note2.)
Action with alarm = Unit stops

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Protection device activation
Alarm code = E101
Alarm content = High-pressure switch activated during normal operation.
Action with alarm = Restart after 3-minute

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Protection device activation
Alarm code = E103
Alarm content = CTP or electronic OC activated during normal operation
Action with alarm = Restart after 3-minute

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Protection device activation
Alarm code = E105
Alarm content = Micro processor OC activated during normal operation
Action with alarm = Restart after 3-minute

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Protection device activation
Alarm code = E107
Alarm content = DCHS became abnormal high temperature during operation.
In the event the refrigerant circulation rate is low, the unit will stand by for three minutes to restart then.
Action with alarm = Restart after 3-minute (If this error occurs two times, F803 error will be detected to stop the unit)

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Protection device activation
Alarm code = E109
Alarm content = Low pressure drops to–90kPa or lower for 2 seconds or longer successively during normal operaton
Action with alarm = Restart after 3-minute

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Control error
Alarm code = E201
Alarm content = Pump down is not completed within 90 seconds
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Control error
Alarm code = E203
Alarm content = Overcool protection activates in the chilled.(Control temperature ≦ SP–3°C or for 3 minutes)
Action with alarm = Restart after 3-minutes

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Control error
Alarm code = E205
Alarm content = Evaporator for motor failure (Note 2)
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Control error
Alarm code = E207
Alarm content = Defrosting is not completed within 90 minutes
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Printed-circuit board failure
Alarm code = E303
Alarm content = Humidity setting required (SRAM failure)
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Printed-circuit board failure
Alarm code = E305
Alarm content = Defrost timer setting required (SRAM failure)
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Printed-circuit board failure
Alarm code = E307
Alarm content = Calendar setting required (SRAM failure)
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Printed-circuit board failure
Alarm code = E311
Alarm content = Trip-start setting required (SRAM failure)
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Printed-circuit board failure
Alarm code = E315
Alarm content = PT/CT board failure
Action with alarm = Restart after 3-minutes

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E401
Alarm content = Supply air temperature sensor (SS) malfunction
Action with alarm = Back-up operation

Alarm grouping =  Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E402
Alarm content = Data recorder supply air temperature sensor (DSS) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E403
Alarm content = Return air temperature sensor (RS) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E404
Alarm content = Data recorder return air temperature sensor (DRS) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E405
Alarm content = Discharge air temperature sensor (DCHS) malfunction
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E406
Alarm content = Suction gas temperature sensor (SGS) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E407
Alarm content = Evaporator inlet temperature sensor (EIS) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E409
Alarm content = Evaporator outlet sensor (EOS) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E411
Alarm content = Ambient sensor (AMBS) malfunction
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E413
Alarm content = Low pressure transducer (LPT) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E415
Alarm content = High pressure transducer (HPT) malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E417
Alarm content = Voltage sensor (PT1) malfunction
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E421
Alarm content = Current sensor (CT1) malfunction
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E423
Alarm content = Current sensor (CT2) malfunction
Action with alarm = Restart after 3-minutes

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E425
Alarm content = Pulp temperature sensor (USDA1) malfunction
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E427
Alarm content = Pulp temperature sensor (USDA2) malfunction
Action with alarm =  Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E429
Alarm content = Pulp temperature sensor (USDA3) malfunction
Action with alarm = Only alarm display

Alarm code = E431
Alarm content = Humidity sensor (HuS) malfunction
Action with alarm = Only alarm display
Alarm grouping = Display alone or restartable alarm
Alarm grouping = Sensor alarm
Alarm code = E433
Alarm content = Cargo temperature sensor (CTS) or box temperature sensor (CBS) malfunction
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Electronic functional part alarm
Alarm code = E603
Alarm content = Suction modulating valve (SMV) malfunction or driver malfunction
Action with alarm = Back-up operation

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Electronic functional part alarm
Alarm code = E607
Alarm content = MDS (sheet key) malfunction
Action with alarm = Only alarm display

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Power supply alarm
Alarm code = E707
Alarm content = Momentary power failure
Action with alarm = Restart after 3-minutes

Alarm grouping = Display alone or restartable alarm
Alarm grouping = Ohter alarm
Alarm code = E801
Alarm content = Backup battery replacement date exceeded
Action with alarm = Only alarm display





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