Aisin YOSHI AWS E1J TWIN, Installation Manual, Page: 55 / 60

55
R/C
AWS
Blinking indication
(ON doesn’t blink)
(OFF led off)
Error
code Led
ON/OFF
TEST
Disp.
Unit
No.
GHP
outdoor
unit
display
Type of failure
Error code
Possible cause
F3 X X X 91-0
•
Compressor discharge temperature too high (>120°C)
F4 X X X 87-0,2
Operation failure
•
Compressor intake temperature too high (> 40°C)
FE X X X 81-0 Engine oil
•
Abnormal engine oil pressure
•
Engine oil level insufficient
FF X X X 58-0 Compressor oil
•
Refrigerant oil supply valve failure
•
Improper harness connection
FJ X X X 47-0 Catalyser
•
Catalyser overheating (where provided)
H3 X X X 76-0
High pressure
switch
•
High pressure switch malfunction
•
Improper harness connection
H4 X X X 88-2
Low pressure
switch
•
Low pressure switch malfunction
•
Improper harness connection
H9 X X X 61-0
•
Outdoor temperature sensor malfunction
•
Improper harness connection
H9 X X X 61-1
•
Outdoor temperature sensor short circuit
HC X X X 70-0
•
Engine coolant temperature sensor malfunction
•
Improper harness connection
HC X X X 80-1
Outdoor unit
temperature
sensors
•
Engine coolant temperature sensor short circuit
HJ X X X 80-2 Engine coolant
•
Engine coolant level insufficient
HF X OFF X EE-0 Maintenance
•
Periodic maintenance alert
X X X 78-1
∼
5
•
Compressor discharge temp sensor disconnected
J3
X X X
91-2
∼
7
•
Compressor discharge temp sensor short circuit
X X X 54-0
•
Super cooling heat ex. temp. sensor disconnected
X X X 54-1
•
Super cooling heat ex. temp. sensor short circuit
X X X 55-0,1
•
Accumulator outlet temp. sensor disconnected
J4
X X X 55-2,3 •
Accumulator outlet temp. sensor short circuit
X X X 53-0,1
•
Compressor intake temp. sensor disconnected
J5
X X X 53-2,3
•
Compressor intake temp. sensor short circuit
X X X 65-0
•
Heat exchanger liquid pipe temp. sensor disconnected
•
Improper harness connection
J6
X X X 65-2
•
Heat exchanger liquid pipe temp. sensor short circuit
X X X 66-0
•
Sub heat exchanger liquid pipe temp. sensor
disconnected
J7
X X X 66-1
Outdoor unit
temperature
sensors
•
Sub heat exchanger liquid pipe temp. sensor short
circuit
X X X 67-0
•
Outdoor liquid pipe temp. sensor disconnected
J8
X X X 67-2
Outdoor unit
temperature
sensors
•
Outdoor liquid pipe temp. sensor short circuit
JA X X X 73-0,1 •
High pressure sensor malfunction
JC X X X 88-4
Outdoor unit
pressure
sensors
•
Low pressure sensor malfunction
JE X X X 71-0 Oil pressure sw. •
Oil pressure switch disconnected
X X X 72-0
•
Engine room temp. sensor disconnected
X X X 72-1
•
Engine room temp. sensor short circuit JJ
X X X 72-6
Outdoor unit
temperature
sensors
•
Catalyser temp. sensor disconnected
LE X X X
75-1
∼
3
Igniter voltage •
Igniter voltage too low or too high
LF X X X 84-0
•
Engine start failure – missing supply gas
LJ X X X 75-0
Operation failure
•
Unwanted engine stop
P8 X X X
74-1
∼
4
74-6
82-0
∼
1
Engine
•
Insufficient starting engine speed (starter failure)
•
Abnormal engine speed (gas mixer failure)
PE X X X 74-7 Gas valves
•
Supply electro magnetic gas valves failure
PF X X X 60-0 Starter •
Starter failure
U0 X X X 88-5 Ref. Piping
•
Refrigerant gas empty
U7 X X X 4-0
∼
6 Communication
•
master / slave outdoor unit communication failure
UA X X X
43-0,1
44-n
Indoor unit
number
•
Over connection of capacity units
•
Too many indoor units connected