Thursday, December 17, 2015

TCL DC inverter Air-conditioner fault codes and protection codes

TCL  DC inverter Air-conditioner 

Protection and Fault Codes
Fault Code
Fault Type
Function Indicator (flash)
Digital LED displa
Indoor/outdoor communication fault
RUN & TIMER: Blink
E0
outdoor communication fault
RUN & TIMER: Blink
EC
Room temperature sensor (IRT)
RUN-1/8 sec.
E1
Indoor pipe (coil) temperature sensor (IPT)
RUN-2/8 sec.
E2
Outdoor pipe (coil) temperature sensor (OPT)
RUN-3/8 sec.
E3
System abnormal
RUN-4/8 sec.
E4
Model configuration wrong
RUN-5/8 sec.
E5
Indoor fan motor fault
RUN-6/8 sec.
E6
Outdoor temperature sensor
RUN-7/8 sec.
E7
Exhaust temperature sensor
RUN-8/8 sec.
E8
Intelligent power module of drive and module fault
RUN-9/8 sec.
E9
Outdoor fan motor fault (DC Motor)
RUN-10/8 sec.
EF
Current sensor fault
RUN-11/8 sec.
EA
EEPROM fault
RUN-12/8 sec.
EE
Temperature switch fault (on top of the compressor)
RUN-13/8 sec.
EP
Voltage sensor fault
RUN-14/8 sec.
EU
Intake temperature sensor
RUN-15/8 sec.
EH

Protection Code
Protection Type
Function Indicator (flash)
Digital LED display
Overvoltage / undervoltage protection
RUN: Blink; TIMER: 1 blink /8 sec
P1
Overcurrent protection
RUN: Blink; TIMER: 2 blink /8 sec
P2
Exhaust overtemperature protection
RUN: Blink; TIMER: 4 blink /8 sec
P4
Subcooling protection under cooling mode
RUN: Bright; TIMER: 5 blink /8 sec
P5
Overheating protection under cooling mode
RUN: Bright; TIMER: 6 blink /8 sec
P6
Overheating protection under heating mode
RUN: Bright; TIMER: 7 blink /8 sec
P7
Outdoor overtemperature / undertemperature protection
RUN: Bright; TIMER: 8 blink /8 sec
P8
Drive protection (software control )
RUN: Blink; TIMER: 9 blink /8 sec
P9
Module protection (hardware control)
RUN: Blink; TIMER: 10 blink /8 sec
P0

Display on outdoor power source board: The indicator alerts the fault in a cycle as such that it is bright for 0.5 seconds, dark for 0.5 seconds, blinks “n” times and then dark for 3 seconds.
Blink times(n)
Fault Message
Blink times(n)
Fault Message
1
IPM protection
18
Short-circuit / open-circuit fault of intake temperaturesensor
2
Overvoltage / undervoltage
19
Outdoor EEPROM fault
3
Overcurrent
20
Outdoor fan motor protection
4
Exhaust overtemperature protection
21
Indoor fan motor protection
5
Outdoor coil overtemperature protection
23
System in shortage of Freon
6
Drive fault and protection (V1 VP1)
24
Model configuration wrong
7
Communication fault with indoor unit
25
Indoor sensor fault
8
Compressor overheat fault (compressor top switch)
26
Indoor coil sensor fault
9
Short-circuit / open-circuit fault of outdoor temperature sensor
27
Indoor EEPROM fault
10

Short circuit / open-circuit fault of outdoor heat exchanger temperature sensor
28

Indoor fan motor fault

11
Short-circuit / open-circuit fault of exhaust temperature sensor
30
drive fault V4 VP2
12
Voltage sensor fault
31
Outdoor environmental overtemperature / undertemperature protection
13
Current sensor fault
32
Indoor coil deforst prevention
14
IPM fault
33
Indoor coil overheating protection
15

communication fault between power source board and intelligent power module


16
No feedback from DC fan motor(outdoor unit)
17
Defrost state