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Daikin TM-12-011 Troubleshooting Manual
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Daikin TM-12-011 Troubleshooting Manual

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Troubleshooting Manual                                                                                                                                                 TM‐12‐011 
1. Troubleshooting By LED Display or Wired Controller Display
Applicable Model 
Product Range   
 
SLEEP
COOL/HEAT
(Red)
(Green/Red)
/
Green
/
Red
1 time
Continuous
2 times
3 times
Red
Continuous
4 times
5 times
 
 
ON
/
 
 
1 
 
Non Inverter Split Series 
FTYN25/35/50/60LV1B 
TIMER
Wired
Controller
 
Display
(Yellow)
-
-
-
-
-
-
E1
E2
E3
E4
1 time
-
E5
3 times
E8
6 times
E9
EE
ON or OFF
 
Operation / Faulty Indication
Cooling mode
Heating mode
Timer On
Sleep mode On
Fan mode On
Dry mode On
Room air sensor contact loose /
short
Indoor coil sensor contact open
Outdoor coil sensor contact open
Compressor overload / Indoor coil
sensor / Outdoor coil sensor short
Defrost operation
Gas leak
Hardware error (tact switch pin
short)
No Feedback from indoor fan motor
EEPROM defrost
BLINKING
LED Indication 
Details of
Malfunction
(Reference Page)
n/a
n/a
n/a
n/a
n/a
n/a
2
3
4
5
n/a
6
7
8
n/a

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Summary of Contents for Daikin TM-12-011

  • Page 1: Controller Display

    Troubleshooting Manual                                                                                                                                                 TM‐12‐011  1. Troubleshooting By LED Display or Wired Controller Display Applicable Model  Non Inverter Split Series  Product Range    FTYN25/35/50/60LV1B  LED Indication      SLEEP COOL/HEAT TIMER Wired Details of Controller Operation / Faulty Indication Malfunction   Display (Reference Page) (Red) (Green/Red) (Yellow) Cooling mode Green Heating mode Timer On Sleep mode On...
  • Page 2 TM‐12‐011                                                                                                                                                Troubleshooting Manual                  1.1 “E1” Room air sensor contact open / short Wired Controller  E1  Display    LED indications      Error Generation  The error is generated when room sensor is disconnected or shorted while system running.  Supposed causes  The possible causes are:  Faulty sensor  Broken wire  Loosen wire contact  Troubleshooting                       ...
  • Page 3 Troubleshooting Manual                                                                                                                                                 TM‐12‐011    1.2 “E2” Indoor coil sensor open Wired Controller  E2  Display    LED indications      Error Generation  The error is generated when indoor coil sensor is disconnected while system running.  Supposed causes  The possible causes are:  Broken wire   Loosen wire contact  Troubleshooting          3   ...
  • Page 4 TM‐12‐011                                                                                                                                                Troubleshooting Manual                    1.3 “E3” Outdoor coil sensor open Wired Controller  E3  Display    LED indications      Error Generation  The error is generated when outdoor coil sensor is disconnected while system running.  Supposed causes  The possible causes are:  Broken wire  Loosen wire contact  Troubleshooting                       ...
  • Page 5 Troubleshooting Manual                                                                                                                                                 TM‐12‐011    1.4 “E4” Compressor overload / Indoor coil sensor short / Outdoor coil sensor short Wired Controller  E4  Display    LED indications      Error Generation  The error is generated when outdoor coil sensor > 68˚C in cooling or indoor coil sensor > 68˚C in  heating; indoor coil sensor is shorted; outdoor coil sensor is shorted.  Supposed causes  The possible causes are:  Compressor high current  Faulty indoor coil sensor  Faulty outdoor coil sensor  Troubleshooting          5   ...
  • Page 6 TM‐12‐011                                                                                                                                                Troubleshooting Manual                    “E5” Low refrigerant charge / Gas leak Wired Controller  E5  Display    LED indications      Error Generation  The error is generated when indoor coil sensor temperature is > 25˚C in cooling or < 20˚C in  heating after compressor running for 30minutes.  Supposed causes  The possible causes are:  Refrigerant leaking  Indoor coil sensor faulty  Troubleshooting                               ...
  • Page 7 Troubleshooting Manual                                                                                                                                                 TM‐12‐011    “E8” Hardware error (tact switch pin short)   Wired Controller  E8  Display    LED indications      Error Generation  The error is generated when tact switch pin is shorted.  Supposed causes  The possible causes are:  Tact switch pin is short circuit.  Troubleshooting                          7   ...
  • Page 8 TM‐12‐011                                                                                                                                                Troubleshooting Manual                    “E9” No Feedback from indoor fan motor   Wired Controller  E9  Display    LED indications      Error Generation  The error is generated when there is no signal feedback from indoor fan motor.  Supposed causes  The possible causes are:  Indoor fan motor is malfunction  Indoor fan motor connection wiring loosen  Troubleshooting                                           ...
  • Page 9 Troubleshooting Manual                                                                                                                                                 TM‐12‐011    2. Troubleshooting By Component Failure Component   Failure Type  Failure Causes  Reference Page  • Wrong wiring  Compressor  2.1 Unit not working   10  • Terminal burnt  • Poor ventilation  • Short body  • Jammed  • High Ampere  • Compressor noisy  2.2 Unit not cold  11  • Poor ventilation  • Short body  • Jammed  • High Ampere  • Compressor noisy  2.3 Outdoor noisy ...
  • Page 10 TM‐12‐011                                                                                                                                                Troubleshooting Manual                  2.1 Unit Not Working Supposed causes  The possible causes are:  • Wrong wiring  • Terminal burnt  • Poor ventilation  • Short body  • Jammed  • High Ampere  Troubleshooting  →   (i)  →   (ii) →   (iii) →   (iv) →   (v) →   (vi)                ...
  • Page 11 Troubleshooting Manual                                                                                                                                                 TM‐12‐011  2.2 Unit Not Cold Supposed causes  The possible causes are:  • Compressor jammed  • Poor ventilation  • Short body  • Jammed  • High Ampere  Troubleshooting  Unit not cold →   (v) Is the compressor jammed? Jammed Is the indoor and outdoor unit  →   (iii) Poor ventilation properly ventilated? Check the compressor, is it short  →   (iv) Short body body? Is the compressor making humming  →  (vii) Compressor noisy noise? Check the running amp of the compressor. →   (vi) High Amp Is it within specification? Main    ...
  • Page 12 TM‐12‐011                                                                                                                                                Troubleshooting Manual                  2.3 Outdoor Noisy Supposed causes  The possible causes are:  • Compressor noisy  • Unit noisy  Troubleshooting  Outdoor noisy Is the noise generated from the  Compressor noisy compressor? →   (vii)  Unit noisy →   (viii)                  ...
  • Page 13 Troubleshooting Manual                                                                                                                                                 TM‐12‐011  2.4 Fan Motor Short Body Supposed causes  The possible causes are:  • Severe fluctuation of voltage  • Winding scratch during assembly process  • Expose to the wet humidity environment  • Assembly method incorrect  Troubleshooting  Refer to S/N sticker on unit    Refer to wiring diagram on unit      Refer to Appendix: Table 2        13   ...
  • Page 14 TM‐12‐011                                                                                                                                                Troubleshooting Manual                    2.5 Fan Motor Noisy Supposed causes  The possible causes are:  • Bearing misalign during the assembly process  • Assembly method not correct  • Anti rust coating not enough  • Expose to the wet humidity environment  Troubleshooting                     ...
  • Page 15 Troubleshooting Manual                                                                                                                                                 TM‐12‐011    2.6 Fan Motor Jammed Supposed causes  The possible causes are:  • Grease dry offs  • Assembly method not correct  • Anti rust coating not enough  • Expose to the wet humidity environment  Troubleshooting      15   ...
  • Page 16 TM‐12‐011                                                                                                                                                Troubleshooting Manual                  2.7 Fan Motor Not Working Supposed causes  The possible causes are:  • Severe fluctuation of voltage  • Thermal overload  • Winding scratch during assembly process  • Expose to the wet humidity environment  Troubleshooting                       ...
  • Page 17 Troubleshooting Manual                                                                                                                                                 TM‐12‐011    2.8 Fan Motor Running Slow Supposed causes  The possible causes are:  • Capacitor wire loose/burst  • Auxiliary winding/ Lead wire broken  • Wrong wire color  Troubleshooting        17   ...
  • Page 18 TM‐12‐011                                                                                                                                                Troubleshooting Manual                    2.9 PCB Not Functioning Supposed causes  The possible causes are:  • Noise interference  • Connection loosen  • Transformer faulty  • Component faulty  Troubleshooting                   ...
  • Page 19 Troubleshooting Manual                                                                                                                                                 TM‐12‐011  (i) Wrong Wiring Supposed causes  The possible causes are:  • Wire connection is loosen  • Lead wire is broken  Troubleshooting  Wrong wiring Is the wiring connection of compressor  Reconnect the compressor wiring  connected correctly? and restart the system Tighten the compressor wiring and  Is the wiring connection loose? restart the system Replace the compressor wire and  Is the wire broken or too old? restart the system 2.1 Unit Not Working  Main     19   ...
  • Page 20 TM‐12‐011                                                                                                                                                Troubleshooting Manual                  (ii) Terminal Burnt Supposed causes  The possible causes are:  • Voltage fluctuation  • Incorrect capacitor specification  Troubleshooting                   ...
  • Page 21 Troubleshooting Manual                                                                                                                                                 TM‐12‐011  (iii) Poor Ventilation Supposed causes  The possible causes are:  • Filter dirty  • Blockage at discharge air  • Fan motor is malfunction  Troubleshooting  2.1 Unit Not Working        21   ...
  • Page 22 TM‐12‐011                                                                                                                                                Troubleshooting Manual                    (iv) Compressor Short Body   Faulty  Compressor Short Body  Phenomenon  Supposed causes  The possible causes are:  • Less oil return  • Liquid flash back  • Winding is scratched  Troubleshooting                   ...
  • Page 23 Troubleshooting Manual                                                                                                                                                 TM‐12‐011  (v) Compressor Jammed   Faulty  Jammed  Phenomenon  Supposed causes  The possible causes are:  • Less oil return  • Thermal overload  • Lock rotor activate (running current > lock rotor ampere)   Troubleshooting      23   ...
  • Page 24 TM‐12‐011                                                                                                                                                Troubleshooting Manual                  (vi) Compressor High Ampere Supposed causes  The possible causes are:  Low voltage supply  Blockage at air discharge  Low refrigerant charge  Indoor/Outdoor fan not running  Chocking in refrigerant system  Troubleshooting                   ...
  • Page 25 Troubleshooting Manual                                                                                                                                                 TM‐12‐011  (vii) Compressor Noisy Supposed causes  The possible causes are:  Low refrigerant charge  Blockage at air discharge  Chocking in refrigerant system  Liquid return to compressor  Troubleshooting      25   ...
  • Page 26 TM‐12‐011                                                                                                                                                Troubleshooting Manual                    (viii) Unit Noisy   Faulty  Unit Noisy  Phenomenon  Supposed causes  The possible causes are:  • Metal parts touching  • Fan motor humming noise  Troubleshooting  2.3 Outdoor Noise                       ...
  • Page 27 Troubleshooting Manual                                                                                                                                                 TM‐12‐011    Appendix: Table 1 Resistance – Temperature Characteristics Resistance R25=10.0kΩ ± 1.0% B Value B25/30=3450K ± 1.0% T°C Rmin (kΩ) Rnom (kΩ) Rmax (kΩ) T°C Rmin (kΩ) Rnom (kΩ) Rmax (kΩ) 4.42E+01 4.53E+01 4.65E+01 4.02E+01 4.12E+01 4.22E+01 5.28E+00 5.37E+00 5.45E+00 3.66E+01 3.74E+01...
  • Page 28 TM‐12‐011                                                                                                                                                Troubleshooting Manual                  Appendix: Table 2 Fan Motor Winding Resistance (i) Indoor Unit                  Model  Resistance (Ω)  Coil  Color  FTYN25LV1B  FTYN35LV1B  FTYN50LV1B  FTYN60LV1B  Main  White‐Black  435.0  435.0  297.0  211.0  Aux  Black‐Red  336.0  336.0  247.4  246.9  Note:  1. The above resistance is measured at 20˚C for reference only. Tolerance is ±15%  2. Specification is subjected to change by manufacturer without prior notice.    (ii) Outdoor Unit                  Model ...