Outdoor Failure Display; Protection Display Code List - Hyundai HSH-I073NBE Service Manual

Protection display code list:

Protection type
higher or lower voltage
Over current
Discharge temperature
Over cooling in cooling mode
Over heating in cooling mode
Over heating in heating mode
Outdoor temperature too high or low
Drive protection(Overload)
Module self protection

Outdoor failure display

There is a LED on outdoor power board, when compressor is running; it is normally light;
when no feedback of signal to power board from compressor, it will wink by lighting 1s and
going out 1s. If failures happened, it will light 0.5s, go out 0.5s, winking several times and go
out 3s for a cycle to indicate failures. The failure list is the follow:
Wink time
IPM protection
1
higher or lower voltage
2
Over current
3
Discharge temperature too high
4
Outdoor coil temperature too high
5
Drive abnormity
6
7 Communication abnormity with indoor unit
Compressor over heat（switch on top of compressor）
8
9 Outdoor air temperature sensor failure
10 Outdoor coil temperature sensor failure
11 Outdoor discharge pipe temperature sensor failure
12 Voltage sensor failure
13 Current sensor failure
14 IPM abnormity
15 Outdoor communication abnormity
16 DC fan motor no feedback
17 defrosting
Air Conditioner Service Manual
RUN-winking,TIMER-1 time/8s
RUN- winking,TIMER-2 times /8s
RUN- winking,TIMER-4 times /8s
RUN-light,TIMER-5 times /8s
RUN- light,TIMER-6 times /8s
RUN- light,TIMER-7 times /8s
RUN- light,TIMER-8 times /8s
RUN- winking,TIMER-9 times/8s
RUN- winking,TIMER-10 times/8s
57
LED CODE
Failure
DIGITAL LED CODE
P1
P2
P4
P5
P6
P7
P8
P9
P0