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Air-Con Multi Split 16 SEER

From Technical Support Wiki

The 16 SEER Multi Splits were discontinued in mid 2017. All information preserved here is for legacy support.


This is the support page for the 16 SEER Air-Con multi split line.

Multi Split Series
Multi Zone Mini Split Line
Multi-featured.png
Voltage 220V
SEER Rating 16
Capacities (Outdoor Unit) 18,000 - 42,000 BTU
Capacities (Indoor Unit) 9,000 - 18,000 BTU
Heat Pump? Yes
Model Sold From July 2012 - Present

Indoor Units (Wall Mount Type)

Outdoor Units

Possible Combinations

These are the recommended indoor-outdoor unit combinations.

Zones Outdoor Unit Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units
Dual Zone A16CM4H4R18 A16EM4H4R09 A16EM4H4R09 A16EM4H4R18
A16EM4H4R09 A16EM4H4R12
Tri Zone A16CM4H4R24 A16EM4H4R09 A16EM4H4R09 A16EM4H4R12 A16EM4H4R09 A16EM4H4R18
A16EM4H4R09 A16EM4H4R09 A16EM4H4R12 A16EM4H4R12
A16EM4H4R09
Quad Zone
  • A16CM4H4R36
  • A16CM4H4R39
A16EM4H4R09 A16EM4H4R12 A16EM4H4R12 A16EM4H4R09 A16EM4H4R18
A16EM4H4R09 A16EM4H4R12 A16EM4H4R12 A16EM4H4R09 A16EM4H4R18
A16EM4H4R09 A16EM4H4R12 A16EM4H4R09 A16EM4H4R18
A16EM4H4R09
Quint Zone A16CM4H4R42 A16EM4H4R09 A16EM4H4R12 A16EM4H4R09 A16EM4H4R09 A16EM4H4R09 A16EM4H4R12 A16EM4H4R18 A16EM4H4R09
A16EM4H4R09 A16EM4H4R12 A16EM4H4R09 A16EM4H4R09 A16EM4H4R09 A16EM4H4R12 A16EM4H4R18 A16EM4H4R12
A16EM4H4R09 A16EM4H4R12 A16EM4H4R12 A16EM4H4R12 A16EM4H4R09 A16EM4H4R12 A16EM4H4R12 A16EM4H4R18
A16EM4H4R09 A16EM4H4R12 A16EM4H4R18 A16EM4H4R12 A16EM4H4R12 A16EM4H4R09
A16EM4H4R09
  • Note: Each indoor unit combination is viewed as a column.
  • Note: Both quad zone outdoor units are capable of the same combinations but make your judgement on the correct one to use based on room size.
  • Note: There are more possible combinations than those listed above. Please use proper capacity judgment when making multi-split combinations.

Error Codes

Error Item Outdoor Unit 88 Display Indicating LED Flashing Times 88 Display Error Type
Running LED Cooling LED Heating LED
High Pressure Protection E1 Flash once / / E1 Outdoor
Shutdown for Whole Unit Anti-Freeze Protection E2 Flash twice / / E2 System Error
Low Pressure Protection E3 Flash 3 times / / E3 Outdoor
High Discharge Temp Protection E4 Flash 4 times / / E4 Outdoor
Communication Error E6 Flash 6 times / / E6 Outdoor & Indoor
Indoor Unit Water Full Error E9 Flash 9 times / / E9 Indoor
Refrigerant Recovery Mode Fo Flash once Flash once / Fo Special Mode
Outdoor Ambient Temp Sensor Error F3 / Flash 3 times / F3 Outdoor
Outdoor Mid-Coil Temp Sensor Error F4 / Flash 4 times / F4 Outdoor
Outdoor Discharge Air Temp Sensor Error F5 / Flash 5 times / F5 Outdoor
Oil Return for Cooling F7 / Flash 7 times / F7 Special Mode
Forced Defrosting H1 Quick Flashing / / H1 Special Mode
Oil Return for Heating or Defrosting H1 / / Flash once H1 Special Mode
Compressor Overheat Protection H3 / / Flash 3 times H3 Drive Error
IPM Protection H5 / / Flash 5 times H5 Drive Error
Compressor Desynchronizing H7 / / Flash 7 times H7 Drive Error
PFC Error Hc / / Flash 6 times Hc Drive Error
Startup Failure Lc / / Flash 11 times Lc Drive Error
DC Fan Motor Error LA Flash 24 times / / LA Outdoor
Phase Loss Ld / / / Ld Drive Error
Compressor Stalling LE / / / LE Drive Error
Over-Speed LF / / / LF Drive Error
IPM Reset P0 / / / P0 Drive Error
Compressor Current Protection P5 / / Flash 15 times P5 Drive Error
Communication Error between the Inverter Drive and the Main Controller P6 Flash 16 times / / P6 Drive Error
Radiator Temp Sensor Error P7 / / Flash 18 times P7 Drive Error
Radiator Overheat P8 / / Flash 19 times P8 Drive Error
AC Contactor Protection P9 / / / P9 Drive Error
Sensor Connection Protection Pd / / / Pd Drive Error
Over Voltage Protection PH / Flash 11 times / PH Drive Error
Low Voltage Protection PL / / Flash 21 times PL Drive Error
Temp Drift Protection PE / / / PE Drive Error
Drive Board Ambient Temp Sensor Error PF / / / PF Drive Error
Charging Circuit Error PU / / Flash 17 times PU Drive Error
Unit n Communication Error * Flash 6 times / / E6 Indoor
Unit n Indoor Pipe Midway Temperature Sensor Error * / Flash twice / E2 Indoor
Indoor Evaporator Temp Sensor Short/Open Circuit * / Flash twice / F2 Indoor
(Air Valve) Unit n Indoor Unit Pipe Outlet Temperature Sensor Error * / Flash 22 times / b7 Indoor
(Liquid Valve) Unit n Indoor Unit Pipe Outlet Temperature Sensor Error * / Flash 19 times / b5 Indoor
Unit n Mode Conflict * / Flash once / F1 Indoor
Mode Conflict * Flash 7 times / / E7 Indoor

Indoor Unit (*) Error Description

Error Code Error Description
11 Unit A Communication Error
21 Unit B Communication Error
31 Unit C Communication Error
41 Unit D Communication Error
51 Unit E Communication Error
12 Unit A Indoor Unit Pipe Midway Temperature Sensor Error
22 Unit B Indoor Unit Pipe Midway Temperature Sensor Error
32 Unit C Indoor Unit Pipe Midway Temperature Sensor Error
42 Unit D Indoor Unit Pipe Midway Temperature Sensor Error
52 Unit E Indoor Unit Pipe Midway Temperature Sensor Error
13 Unit A Indoor Unit Pipe Outlet Temperature Sensor Error
23 Unit B Indoor Unit Pipe Outlet Temperature Sensor Error
33 Unit C Indoor Unit Pipe Outlet Temperature Sensor Error
43 Unit D Indoor Unit Pipe Outlet Temperature Sensor Error
E3 Unit E Indoor Unit Pipe Outlet Temperature Sensor Error
14 Unit A Indoor Unit Pipe Inlet Temperature Sensor Error
24 Unit B Indoor Unit Pipe Inlet Temperature Sensor Error
34 Unit C Indoor Unit Pipe Inlet Temperature Sensor Error
44 Unit D Indoor Unit Pipe Inlet Temperature Sensor Error
54 Unit E Indoor Unit Pipe Inlet Temperature Sensor Error
15 Unit A Indoor Ambient Temperature Sensor Error
25 Unit B Indoor Ambient Temperature Sensor Error
35 Unit C Indoor Ambient Temperature Sensor Error
45 Unit D Indoor Ambient Temperature Sensor Error
55 Unit E Indoor Ambient Temperature Sensor Error
16 Unit A Mode Conflict
26 Unit B Mode Conflict
36 Unit C Mode Conflict
46 Unit D Mode Conflict
56 Unit E Mode Conflict
17 Unit A Anti-Freezing Protection
27 Unit B Anti-Freezing Protection
37 Unit C Anti-Freezing Protection
47 Unit D Anti-Freezing Protection
57 Unit E Anti-Freezing Protection
C5 Jumper Terminal Error

Document Downloads

Warranty Information

Each Multi Split unit set has a warranty of 1 year for parts and 5 years for the compressor. If you need more information, please visit the Air-Con Warranty Policy page.