Take it away. No, thanks! KFR-35GW/V (dbpzxf) KFR-25GW/V (dbpzxf) E2 Indoor thermistor abnormal indoor fault E3 Thermal AC thermistor abnormal indoor fault E4 Outdoor EEPROM fault E5 IPM protection outdoor module fault E6 AC current overcurrent protection or current sensor bad outdoor module fault E7 CBD (outdoor control panel) communication fault E8 press overheating \ Overvoltage protection outdoor control panel fault E9 power supply overvoltage/undervoltage protection outdoor module fault E 10 press locked outdoor module fault E1/overflow temperature protection outdoor control panel fault E 12 abnormal external fan protection outdoor control panel fault E 13 abnormal outdoor defrosting resistance outdoor control panel fault E13. +05 Abnormal outdoor environmental resistance Outdoor control panel fault E 16 Abnormal outdoor expiratory resistance Outdoor control panel fault E 17 Excessive compressor suction Outdoor control panel fault E 18 Abnormal internal machine and external communication E 19 Abnormal indoor EEPROM fault E20 Abnormal internal fan indoor fault E2 1 Out-of-sync operation of the press outdoor module fault E22 position detection loop fault E23 press damaged outdoor module fault E24 indoor overload shutdown indoor fault E25 indoor frost-proof shutdown room. Internal fault E26 indoor abnormal TC indoor fault E27 excessive vibration of the outdoor module of the printing press, abnormal startup of the outdoor module of the printing press, Mitsubishi Heavy Industries cabinet machine fault code model FDF505HES, no display, indoor and outdoor machine power off, power off, operation switch circuit board fault. E 1 The operating switch is damaged, and the indoor unit circuit board is defective. E2 indoor unit location number is duplicate, and the indoor unit circuit board is defective. E3 has no corresponding outdoor unit number. The internal and external signal lines are disconnected, and the outdoor unit power supply is turned off. The outdoor unit number is set incorrectly (set 48 or 49). E4 indoor unit number is set incorrectly (set 48 or 49). The indoor unit circuit board is defective. E5 communication between indoor unit and outdoor unit is abnormal, outdoor unit power supply is abnormal (when outdoor unit power supply is separated), and outdoor unit circuit board is faulty. The thermistor of E6 indoor heat exchanger and indoor circuit board are defective. E7 Indoor unit thermistor and indoor unit circuit board have poor suction. E8 Indoor heat exchanger temperature is high (during heating), indoor heat exchanger thermistor is short-circuited, and indoor circuit board is defective. E 10 when the operation switch is controlled by multiple groups, the number of groups exceeds. E3 1 The outdoor unit number is duplicate, and the outdoor unit circuit board is defective. E32 power supply is out of phase or T-phase (main), and the outdoor circuit board is defective. E33 compressor overcurrent, lack of S phase or R phase (primary 52C secondary wiring), bad outdoor circuit board. E34 52C secondary phase is short of T phase, and outdoor circuit board is defective. E35 Outdoor heat exchanger has high temperature (when air is cooled), poor thermistor (short circuit) of outdoor heat exchanger and poor outdoor circuit board. E36 compressor outlet refrigerant pipe temperature is too high, compressor outlet refrigerant pipe temperature thermistor is bad, and outdoor unit circuit board is bad. E37 Thermal resistor of outdoor heat exchanger and outdoor circuit board are defective. E38 outdoor temperature thermistor is not good, and outdoor circuit board is not good. E39 compressor outlet refrigerant pipe thermistor is bad, and outdoor unit circuit board is bad. E40 outdoor unit safety equipment is working, and the outdoor unit circuit board is defective. The following items are also displayed on the panel: E57 refrigerant is insufficient; E28 control panel SW 13-6 sets the error handling method: set SW 13-6 to OFF E9 and E40 outdoor unit abnormal KFR-7 1QW/A fault code (KFR-1 20QW/. 2) The indoor pipe temperature is not good; 3) The outdoor pipe temperature is not good; 4) The outdoor pipe temperature is not good; KFR-60LW/ BPF fault code E 1 Room temperature sensor fault E2 indoor coil sensor fault E3 outdoor ambient temperature sensor fault E4 outdoor coil sensor fault E5 overcurrent protection E6 pipeline pressure protection E7 outdoor undervoltage protection E8 panel and motherboard communication fault E9 indoor and outdoor communication fault E0 indoor and outdoor communication fault LED light shows L 1 L2. Bad room temperature sensor: flash 1 off indoor coil sensor: flash 2 off heating overload: flash 4 off refrigeration and ice connection: flash 5 off communication fault: flash 7 off fan fault: flash 8 off module fault: flash 1 off no load: flash 2 off compressor overheating: flash 4 off total current overcurrent: flash 5 off outdoor ambient temperature sensor fault: off. Flash 6 outdoor pipe temperature sensor is bad: flash 7 ROM is bad: flash 8 power overvoltage protection: flash 10 refrigeration overload: Flash12eROM is wrong: flash 14 KTR-280QW/BP frequency conversion central air conditioner outdoor fault code display content fault reason 04 frequency conversion signal circuit, TRS circuit fault Ab pressure sensor (Pd PS) wiring fault AA high pressure sensor (Pd) circuit fault AE inverter compressor exhaust temperature TD 1 protection A0 inverter compressor exhaust temperature sensor TD 1 circuit fault A 1 Circuit fault of frequency conversion compressor exhaust temperature sensor TD2 A2 suction temperature sensor TS protection action A6 frequency conversion compressor exhaust temperature sensor TD65 438+0 protection action A7 suction temperature sensor TS protection action BB frequency conversion compressor exhaust temperature sensor TD2 protection action BD Mg.ws 1 contact engagement, Control circuit fault BE refrigeration system low-voltage protection B4 refrigeration system low-voltage sensor PS circuit fault 18 outdoor pipe temperature sensor TE circuit fault 22 refrigeration system high-voltage sensor Pd circuit fault 95 indoor and outdoor communication circuit fault 96 indoor and outdoor address fault 89 indoor and outdoor machine overload protection IC interface circuit board fault E 1 Fixed frequency compressor high voltage circuit fault E5 frequency conversion side Iol circuit fault E6 fixed frequency side IOL, OL circuit, power supply phase sequence error KTR-280QW/BP frequency conversion central air conditioner INV outdoor display content fault reason 2 1 frequency conversion side high voltage switch circuit fault 17 current transformer circuit fault 14 frequency conversion side overcurrent protection circuit fault 1F current detection circuit fault 1 D compressor system circuit fault KTR-280QW/ BP frequency conversion central air conditioner indoor fault code display content fault reason 0C indoor temperature sensor abnormal 0B drain pump float switch abnormal B5 external input display B6 external interlock display B9 indoor pressure sensor abnormal 9A indoor unit wiring error 1 1 motor (phase configuration) circuit abnormal 12 indoor main control board circuit abnormal 93 indoor pipeline temperature TC. 1 sensor abnormal 94 indoor pipe temperature TC2 sensor abnormal 95 indoor and outdoor communication fault 97 centralized control communication fault 98 centralized control address setting error 9F refrigerant shortage KR-70QW, KF-7 1QW/S, KF- 120QW, KF 125FW maintenance code E0 exhaust system fault e. Indoor temperature sensor fault E2 indoor coil sensor fault E3 outdoor loop temperature sensor fault E4 outdoor coil sensor fault E5 room temperature sensor (TA) circuit "OC" 2. Indoor heat exchange sensor (TC 1) circuit "93" 3. Indoor heat exchange sensor (TC2) circuit "94" 4. Indoor pressure sensor circuit "B9" 5. Motor circuit (phase control) "65438. Floating switch system circuit 0b" 7 .. Judgment of insufficient refrigerant circulation 9F" 8 .. Indoor and outdoor communication circuits 95 9. Centralized control communication circuit 97 10. The centralized control address is set to 98 1 1. The external input display b5" 12 ... is wrongly connected with "9a"14 ... indoor substrate circuit "12"15. Judgement of system refrigerant shortage "Ed I/F control board 1. Frequency conversion serial signal loop, TRS circuit. Outdoor thermal sensor (TE) circuit "18" 3. Circuit "A0" 4 of exhaust temperature sensor of variable frequency compressor (TD 1). Circuit "A1"5 of constant frequency compressor discharge temperature sensor (TD2). Intake air temperature sensor (TS) circuit. AA "7。 Low voltage sensor (Ps) circuit "B4" 8. Interface board circuit "1C "9. High voltage protection action sensor "22" 10. Frequency conversion compressor exhaust temperature (TD 1) protection action "A6" 1 1 8+02. Protection action "A7" of suction temperature (Ts) 13. Protection action "AE"14. Used for the exhaust temperature of variable frequency compressor at low frequency (TD 1). Protection action "Be"15 ... High voltage switch circuit "E65438" of constant frequency compressor 7. IOL。 OL loop of frequency setter, abnormal phase sequence of outdoor unit "E6"18 ... wrong wiring of pressure sensor (Pd, Ps) "AB"19 ... indoor and outdoor communication circuit 95 20. The address contradiction between indoor and outdoor is "96 "2 1. Contact adhesion control shows "BD" 22 ... connecting indoor unit capacity overload "89 KFRD-7 1LW/ F (single-phase power supply) E 1: room temperature sensor failure E2: indoor coil temperature sensor E3: outer ring temperature sensor E4: outer tube temperature sensor E5: overcurrent E6: pressure protection E7: undervoltage protection E8: (. Main board communication E9: indoor. External communication KFR-50, 60LW/ BPJ×F 1 Frequency conversion cabinet air conditioning display code failure reason E 1 Frequency conversion power module overheating or overcurrent short circuit E2 current sensor induced current is too small E4 compressor temperature sensor temperature exceeds 120 degrees E5 overcurrent protection E6 outdoor ambient temperature is abnormal E7 outdoor pipeline temperature is abnormal Ea power supply overvoltage and undervoltage protection Ec refrigeration outdoor condenser exceeds 7. 0 degree Ee EEPROM error F 1 abnormal indoor ambient temperature F2 abnormal indoor pipeline temperature F4 overheating protection F5 supercooling protection F7 abnormal communication between indoor motherboard and control panel KFR-60LW/BPF inverter cabinet air conditioner (inside) display code failure reason E 1 Indoor ambient temperature sensor fault E2 indoor tube temperature sensor fault E3 outdoor tube temperature sensor fault E4 outdoor tube temperature sensor fault E5 overcurrent protection E7 compressor overheating protection E7 outdoor voltage low protection E8 communication fault E9 indoor and outdoor communication fault E0 indoor and outdoor communication fault L65438+ 0 L2 flashing 1 Turn off indoor temperature sensor's bad flashing 2. Turn off indoor coil sensor's bad flashing 4. Turn off heating overload flashing 5. Turn off refrigeration icing flashing 7. Turn off communication fault flashing 8. Turn off fan fault flashing 1 module fault flashing 2. Turn off idle module fault flashing 4. Turn off compressor overheating flashing 5. Turn off total current overcurrent flashing 6. Turn off outdoor environment sensor's bad flashing 7. Turn off outdoor pipeline temperature sensor's bad flashing 8 ROM bad flashing. 10 Power Overvoltage Protection Flashoff 12 Refrigeration Overload Flashoff 14 E2ROM Error 6, 7 Cabinet Air Conditioner Fault Code Display Code Fault Reason E 1 Abnormal communication between remote controller and air conditioner E6 Indoor pipe temperature open circuit e 7 Indoor ambient temperature open circuit E8 Overheating protection (heating state) E40 Outdoor unit abnormal E57 supercooling protection (cooling state) KFRD-52, 62, 7 1, 120 cabinets display code failure reason E 1 indoor ambient temperature sensor E2 abnormal indoor pipeline temperature sensor E3 abnormal outdoor pipeline temperature sensor E4 abnormal E5 overcurrent protection E6 system pipeline pressure protection E7 outdoor undervoltage protection (170-180) Communication fault KFR-7 1, 120Q, KFR- 125FW embedded display code fault reason E0 indoor drainage system fault E 1 indoor ambient temperature sensor fault E2 indoor pipeline temperature sensor fault E3 outdoor pipeline temperature sensor fault E5 overcurrent protection E6 system pressure protection E7 communication fault E8 between indoor panel and indoor motherboard. Fault E9 Wrong phase sequence of power supply or lack of phase 7 1LW/ f cabinet fault code: E 1 Indoor ambient temperature sensor fault E2 indoor coil sensor fault E3 outdoor ambient temperature sensor fault E4 outdoor coil sensor fault E5 outdoor current is too large E6 high voltage protection E7 voltage undervoltage protection E8 communication fault between control panel and motherboard KRS-32N new hidden air conditioner fault code display code fault reason E 1 Indoor ambient temperature sensor fault E2 indoor air duct or water pipe temperature sensor open circuit or short circuit E3 indoor and outdoor communication fault E4 and electronic expansion valve drive board communication fault E5 indoor and outdoor communication fault E6 indoor machine liquid pipe temperature sensor open circuit or short circuit E7 control communication fault E9 outdoor machine fault air conditioning fault code F 1 refrigerated evaporator sensor short circuit or open circuit F2 environment. Temperature sensor short circuit or open circuit; F3 cold storage space sensor short circuit or open circuit; F4 freezing temperature sensor short circuit or open circuit; F5 negative 7 degree temperature sensor is short-circuited or open-circuited; 9. Aucma 432 1 Fault codes show priority from top to bottom: 1. The indoor temperature sensor is faulty, and the digital tube shows 0 1. 2. The indoor coil sensor is faulty, and the digital tube displays 02. 3. The system is abnormal and the digital tube displays 03. 4. Refrigeration and frost prevention, and the digital tube shows 04. 5. Heating overload, the digital tube shows 05. The new air conditioning code in recent two years is 1. KF (Slovakia) -25 GW/Hg (Zimbabwe). KF (Slovakia) -35 GW/Hg (Zimbabwe). KF-23GW/HB(zxf)。 KF-33GW/HB。 Fault Type Operation Heating Refrigeration Room Ambient Temperature Resistance Abnormal Flashing Close Inner Tube Temperature Resistance Abnormal Flashing EEPROM Abnormal Flashing Open Internal Fan Abnormal Flashing Open Flashing 2. KF-50(60.7 1.75) Fat weight per gram (ZXF). KF(Rd)-58(60.68) Length/Width (ZXF). KF-48(58. 68. 7 1) lb/sq ft. KF-48(58. 68. 7 1) Length/Width (XF). KF-58(68.7 1) Length/Width (YF). KFRd-50(60.7 1)LW/V(ZXF)。 KFRd-48(50.58.7 1)LW/Z2。 KF-45(48.58.7 1)LW/Z2。 KF-48(58.68) lbs/km2. KFRd-50(60.7 1)-LW/VA(ZXF)。 kfr-70lw/z-(s)。 KF (RD)-48 (58.70) LW/ZKFRD-75LW/@ (F) E1:The number of times that the power indicator of indoor ambient temperature sensor is abnormal E2: 50BP air conditioner fault code flashes continuously. Cause of indoor unit failure 1 room temperature sensor related failure 2 indoor coil sensor related failure 4 heating indoor coil overheating or sensor failure 5 cooling indoor coil overheating or sensor failure 6 CPU abnormal operation 7 communication failure 8 internal fan failure (including Hall element failure) 9 poor power contact Timing indicator (yellow) is turned on. The number of times of continuous flashing indoor unit failure causes 1 IPM module overheating, overcurrent, short circuit 2 outdoor compressor is out of power (current detection coil, compressor open circuit, etc.). ) 4 Overheating of compressor 5 Overcurrent of the whole machine 6 Related parts of outdoor ambient temperature sensor 7 Related parts of outdoor coil sensor 8 CPU failure 10 Undervoltage of power supply 1 1 Poor contact of power supply 12 The outdoor coil temperature of refrigeration exceeds 72 degrees 14 CPU failure 15 CPU is not working properly. The CPU is unchanged or bad. KTR- 160 w/ BPMR air conditioner fault code: fault code fault content 1 1 motor phase control is abnormal 12 indoor unit control is abnormal 14 inverter overcurrent 17 current sensor is partially abnormal/KLOC-0. High voltage protection action 93 abnormal indoor heat exchange sensor circuit TC 1 94 abnormal indoor heat exchange sensor circuit TC2 95 abnormal indoor communication circuit 96 abnormal indoor communication address 89 abnormal indoor machine overload OC indoor temperature sensor circuit TA BD Mg 1SW contact adhesion B9 abnormal indoor pressure sensor circuit AB pressure sensor wiring error. 97 Abnormal centralized control communication circuit 98 Abnormal centralized control address setting E5 Abnormal frequency conversion IOL circuit E6 Abnormal fixed frequency IOL circuit E 1 Abnormal high voltage switch circuit related to fixed frequency compressor OB Drainage pump and float switch circuit B5 Abnormal external input shows abnormal 9F insufficient refrigerant circulation. When AE is at low frequency, frequency conversion compressor exhaust temperature sensor TD 1 protection action BE low voltage protection action A0 fixed frequency compressor exhaust temperature sensor TD 1 circuit abnormality A 1 fixed frequency compressor exhaust temperature sensor TD2 circuit abnormality A2 suction temperature sensor TS circuit abnormality. A6 Frequency conversion compressor exhaust temperature sensor TD 1 protection action A7 Frequency conversion compressor exhaust temperature sensor TD2 protection action B6 External interlock display abnormal 9A indoor unit wiring error 1D compressor system abnormal 1F circuit detection part abnormal 1C interface substrate circuit abnormal B4. Low voltage sensor PS circuit is abnormal, Such as KR-70QW, KF-7 1QW/S, KF- 120QW, KF 125FW, maintenance code E0, system failure E 1 Indoor temperature sensor fault E2 indoor coil sensor fault E3 outdoor loop temperature sensor fault E4 outdoor coil sensor fault E5 overcurrent protection E6 pipeline pressure protection E7 panel and motherboard communication fault E8 motherboard and outdoor communication fault E9 lack of phase sequence fault KFR-28 36GW/ BPJF split air conditioner display code fault reason E 1 Indoor ambient temperature sensor failure E2 indoor tube temperature sensor failure E8 motherboard power failure or high-voltage dust collection plate ignition E9 overheating protection E07 communication failure F4 outdoor compressor exhaust temperature exceeds 120 degrees F6 outdoor ambient temperature sensor failure F 1 1 compressor or IPM. Abnormal frequency conversion module F2 1 outdoor defrosting temperature sensor fault F22 overcurrent protection (AC current detection) F23 overcurrent protection (DC current detection) F24 CT disconnection F25 outdoor exhaust temperature sensor fault MRV || 5e central air conditioning fault code table fault detection 1 system fault code display, The distribution is as follows: 0-9 internal machine fault 20-70 frequency conversion external machine fault 71-kloc-0/00 fixed frequency external machine fault * Note * According to the setting of rotary switches SW3, SW4 and SW5, set SW3, SW4 and SW5 to the fault check position, and the fault codes of internal and external machines will be in the fault check position. 2. Definition of host fault code table of external frequency converter: host LED display fault code 20 outdoor defrosting temperature sensor TE circuit inverter motherboard display 20 MRV || 5e frequency conversion central air conditioning fault code internal machine fault display code host display code line controller display code internal computer board LED5 remote control receiving window timing equal flashing times 01010202 203 03 3 04 05 05 5 5 06 07 08 90. A0A00Indoor Code Outdoor Code 20 Fault Details 0 1 Indoor Ambient Temperature Sensor TA Fault 02 Indoor Pipeline Temperature Sensor TC 1 Fault 03 Indoor Pipeline Temperature Sensor TC2 Fault 04 Indoor Dual Heat Source Sensor Fault 05 Indoor EERROM Fault 06 Communication Fault between Indoor Unit and Outdoor Unit 07 Communication Fault between Indoor Unit and Line Controller 08 Drainage Fault of Indoor Unit 09 Repeated Address Fault 10 Centralized Control Address Repeated Fault 20 Corresponding Fault of Outdoor Unit.