Sunday, April 13, 2014

TRANE ERROR CODES


Malfunction Display Section
When malfunction or protection occurs in the air coditioner, corresponding code will be displayed on the screen of the indoor unit and the indicator of outdoor unit will blink accordingly as well.
When protection or mal function is eliminated, display will be back to normal.
9, 12 MBH - 60 and 50 Hz (No LED lights on outdoor PCB)
Code = 1
Malfunction = Storage slug
Error Display
Dual 8 display = EE
Led = Heating LED-pause 3s and blink 15 times
Repair Method = Replace indoor main board

Code = 2
Malfunction = Indoor PCB malfunction
Error Display
Dual 8 display = EE
Led = Heating LED-pause 3s and blink 15 times
Repair Method = Replace indoor main board

Code = 3
Malfunction = Anti-freezing protection
Error Display
Dual 8 display = E2
Led = Running LED pause 3s and blink 2 times
Repair Method = Outdoor ambient temperature too low

Code = 4
Malfunction = Overload of system
Error Display
Dual 8 display = H4
Led = Heating LED-pause 3s and blink 4 times
Repair Method = System abnormal, check if the evaporator and codenser is dirty and blocked

Code = 5
Malfunction = No motor of indoor unit feedback
Error Display
Dual 8 display = H6
Led = Running LED-pause 3s and blink 11 times
Repair Method = Is electro motor mounted normally?

Code = 6
Malfunction = Indoor pipe temperature sensor malfunction
Error Display
Dual 8 display = F2
Led = Cooling LED-pause 3s and blink 2 times
Repair Method = Is it loose? Measure the resistant value with universal meter

Code = 7
Malfunction = Internal ambient temperature sensor malfunction
Error Display
Dual 8 display = F1
Led = Cooling LED-pause 3s and blink 1 times
Repair Method = Is it loose? Measure the resistant value with universal meter

Code = 8
Malfunction = Zero passage abnormal
Error Display
Dual 8 display = UF
Led = Heating and cooling LED blink 7 times at the same time
Repair Method = Replace indoor main board

Code = 9
Malfunction = Overload of compressor
Error Display
Dual 8 display = H3
Led = Heating LED-pause 3s and blink 3 times
Repair Method = Inspect connection state of the overload wire

Code = 10
Malfunction = Startup failure
Error Display
Dual 8 display = Lc
Led = Heating LED-pause 3s and blink 11 times
Repair Method = Check if the resistance of compressor to ground is normal, the outdoor main board may be wrong.

Code = 11
Malfunction = No motor of outdoor unit feedback
Error Display
Dual 8 display = UH
Led = Heating and cooling LED blink 8 times at the same time
Repair Method = This malfunction may happen when outdoor DC electromotor is used

Code = 12
Malfunction = Overcurrent protection
Error Display
Dual 8 display = E5
Led = Running LED-pause 3s and blink 5 times
Repair Method = Is electric network variable?

Code = 13
Malfunction = 4-way valve conversion abnormal
Error Display
Dual 8 display = U7
Led = Cooling LED-pause 3s and blink 20 times
Repair Method = Replace 4-way valve

Code = 14
Malfunction = Phase current detection malfunction of compressor
Error Display
Dual 8 display = U1
Led = Heating LED-pause 3s and blink 13 times
Repair Method = Replace outdoor mainboard

Code = 15
Malfunction = Sync failure
Error Display
Dual 8 display = H7
Led = Heating LED-pause 3s and blink 7 times
Repair Method = Check if the resistance of compressor and resistance to ground is normal, if the compressor is normal, the outdoor main board may be wrong

Code = 16
Malfunction = Current diction malfunction of complete unit
Error Display
Dual 8 display = U5
Led = Cooling LED-pause 3s and blink 13 times
Repair Method = Replace outdoor main board

Code = 17
Malfunction = Outdoor ambient temperature sensor malfunction
Error Display
Dual 8 display = F3
Led = Cooling LED-pause 3s and blink 3 times
Repair Method = Is it loose? Measure the resistance value with uiversal meter

Code = 18
Malfunction = Discharge protection of compressor
Error Display
Dual 8 display = E4
Led = Running LED-pause 3s and blink 4 times
Repair Method = Is it loose? Measure the resistance value with uiversal meter

Code = 19
Malfunction = Break-circuit and short-circuit of outdoor discharge temperature sensor
Error Display
Dual 8 display = F5
Led = Cooling LED-pause 3s and blink 5 times
Repair Method = Is it loose? Measure the resistance value with uiversal meter

Code = 20
Malfunction = Break-circuit and short-circuit of outdoor condenser temperature sensor
Error Display
Dual 8 display = F4
Led = Cooling LED-pause 3s and blink 18 times
Repair Method = Is it loose? Measure the resistance value with uiversal meter

Code = 21
Malfunction = Overheat of carbon fin
Error Display
Dual 8 display = P8
Led = Heating LED-pause 3s and blink 19 times
Repair Method = Is outdoor ambient temperature is too high? I radiator mounted correctly?

Code = 22
Malfunction = DC overcurrent
Error Display
Dual 8 display = UU
Led = Heating and cooling LED blink 11 times at the same time
Repair Method =

Code = 23
Malfunction = Temperature sensor malfunction of carbon fin
Error Display
Dual 8 display = P7
Led = Heating LED-pause 3s and blink 18 times
Repair Method = Replace outdoor main board

Code = 24
Malfunction = Lack of Freon or block protection
Error Display
Dual 8 display = F0
Led = Cooling LED-pause 3s and blink 10 times
Repair Method =

Code = 25
Malfunction = DC input voltage is too high
Error Display
Dual 8 display = PH
Led = Cooling LED-pause 3s and blink 11 times
Repair Method = Is voltage of AC power supply normal?

Code = 26
Malfunction = DC input voltage is too low
Error Display
Dual 8 display = PL
Led = Heating LED-pause 3s and blink 21 times
Repair Method = Is voltage of AC power supply normal?

Code = 27
Malfunction = Commuication malfunction
Error Display
Dual 8 display = E6
Led = Runing LED-pause 3s and blink 6 times
Repair Method = Is outdoor connecting wire reliably connected?

Code = 28
Malfunction = Setting error, indoor and outdoor unit abnormal
Error Display
Dual 8 display = UA
Led = Heating and coolig LED blink 12 times at the same time
Repair Method = Outdoor unit is not mached with indoor unit
Remarks 4min after protection stop of compressor, the malfunction is shown in error code.
In other situation, the malfunction will be displayed by press the light button for 6 times within 4s

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