Download user manual - sinclair air conditioners

12 FAULT INDICATION
serial
OPERATION INSTRUCTIONS
LED
LED
LED
LED（red）
）
（yellow） （green） （
Meaning
number
1
Compressor high pressure protection
Blink once
unit stop
E1
2
Indoor unit anti-freezing protection Twice
E2
3
Low-pressure protection
unit stop
E3
8
Three
times
Four
Air exhaust protection unit stop
times
Five
Over current protection unit stop
times
Six
Communication malfunction unit stop
times
Seven
Unit modes conflict
times
fifteen
Jumper malfunction
times
9
Defrosting /Heating oil return
Blink once
H1
Compressor overload protection unit
10 stop
Three times
H3
11 System Unit
Four
times
H4
4
5
6
7
malfunction
12 IPM modular protection unit stop
13 PFC protection unit stop
14 Compressor malfunction
15 Water spill protection
E4
E5
E6
E7
C5
Five
times
Six
times
Seven
times
Eight
times
H5
HC
H7
H8
indoor ambient temp. sensor
16 malfunction
Blink once
F1
17 indoor pipe temp. sensor malfunction
Twice
F2
Outdoor ambient temp. sensor
18 malfunction
Outdoor pipe temp. sensor
19 malfunction
Outdoor air exhaust temp. sensor
20 malfunction
Three
times
Four
times
Five
times
F4
21 E2 PROM Error
Eleven
times
HA
22
Wire controller ambient temp. sensor
malfunction
22
Blink once
F3
F5