Instruction manual

INSTALLATION INSTRUCTIONS R−410A Ductless Split System: DLF4(A/H), DLC4(A/H)
20 421 01 9220 00
UNITS 30K & 36K, 230 Volts
Malfunction
Display
on
Indoor
Unit
State of the Lamps of Outdoor Unit PCB
Reasons
Error
Code
Yellow Red Green
Compressor running (normal) Flash−1 times Normal
Auto defrost (normal) H1 Flash−2 times Normal
Anti−freezing protection E2 Flash−3 times
Refrigerant leakage, indoor unit air flow blocked, filter
dirty
Stop for IPM module protection
(over current)
H5 Flash−4 times IPM module over current, outdoor unit air flow blocked
Stop for over current protection E5 Flash−5 times Outdoor unit over current, ambient temp is abnormal
Overload protection H4 Flash−6 times Ambient temp is abnormal, heat exchanger blocked
Stop for discharge temp E4 Flash−7 times
Low refrigerant, capillary blocked, ambient temp is
abnormal
Stop of compressor overload
protection
H3 Flash−8 times
Compressor shell over heat, Low refrigerant, capillary
blocked
Stop for over power protection L9 Flash−9 times Ambient temp is abnormal
Stop for IPM module protection
(overheat)
H5 Flash−10 times IPM module over heat, outdoor unit air flow blocked
Stop for EEPROM read−write
malfunction
EE Flash−11 times
The EEPROM on the outdoor PCB mainboard cannot
read or write
Stop for low voltage protection PL Flash−12 times DC voltage is low
Stop for high voltage protection PH Flash−13 times DC voltage is high
Stop for PFC circuit over
current protection
HC Flash−14 times The PFC circuit over current
No feedback of indoor fan
motor
H6 Indoor fan is abnormal
Stop for ID and OD doesn’t
match
LP Flash−16 times Indoor unit and outdoor unit don’t match
Compressor frequency limit by
by over current protection
Flash−1 times Outdoor unit over current, ambient temp is abnormal
Compressor frequency limit by
discharge temp protection
Flash−2 times
Low refrigerant, capillary blocked, ambient temp is
abnormal
Compressor frequency limit by
overload protection
Flash−3 times Ambient temp is abnormal, heat exchanger blocked
Compressor frequency limit by
by anti−freezing protection
Flash−4 times
Refrigerant leakage, indoor unit air flow blocked, filter
dirty
Outdoor pipe temp sensor
malfunction
F4 Flash−5 times
Circuit open or circuit short for outdoor condenser pipe
temp sensor
Outdoor ambient temp sensor
malfunction
F3 Flash−6 times
Circuit open or circuit short for outdoor environment
temp sensor
Outdoor discharge temp sensor
malfunction
F5 Flash−7 times
Circuit open or circuit short for outdoor gas−discharge
pipe temp sensor
Normal operation Flash−8 times Normal compressor operation
Compressor frequency limit by
IPM protection
Flash−11 times IPM module over heat, outdoor unit air flow blocked
Compressor frequency limit by
over power protection
Flash−13 times Ambient temp is abnormal
Indoor ambient temp sensor
malfunction
F1
Circuit open or circuit short for indoor environment
temp sensor
Indoor tube temp sensor
malfunction
F2
Circuit open or circuit short for indoor evaporator pipe
temp sensor
Stop for communication
malfunction
E6 Off
Communication line failure, main PCB failure, interfere
source, wiring error
Communication normal Flash−1 times Communication is normal
Jumper cap malfunction
protection
C5 The jumper is wrong or missing
No feedback of outdoor fan
motor
Flash−14 times
High pressure protection E1 Flash−16 times
NOTE: The lamps Flash 0.5s ON, 0.5s OFF, between two error cycle, it will be 2s off interval.