Operation Instructions
26
Error View Page
[Notes]
The control panel can display real-time errors. And at these pages, all errors will be listed here.
Each page displays at most 5 pieces of errors. Others can be viewed by touching the page turning keys.
Error List
Full Name Displayed Name Code
Defrosting temperature sensor error Defrost sensor d6
Discharge temperature sensor error Discharge sensor F7
Suction temperature sensor error Suction sensor F5
Economizer inlet temperature sensor Econ. in sens. F2
Economizer outlet temperature sensor Econ. out sens. F6
Fan error Outdoor fan EF
High pressure protection High pressure E1
Low pressure protection Low pressure E3
High discharge protection Hi-discharge E4
Capacity DIP switch error Capacity DIP c5
Communication error between the outdoor and indoor main
boards
ODU-IDU Com. E6
Communication error between the outdoor main board and
the drive board
Drive-main com. P6
Communication error between the display panel and indoor
main board
IDU Com. E6
High pressure sensor error HI-pre. sens. Fc
Leaving water temperature sensor error for the plate type
heat exchanger of the heat pump
Temp-HELW F9
Leaving water temperature sensor error for the auxiliary
electric heat of the heat pump
Temp-AHLW dH
Entering water temperature sensor error of the plate type
heat exchanger of the heat pump
Temp-HEEW
No error code but
displayed at the
error view pages.
Water tank temperature sensor error HI-pre. sens. FE
Remote room temperature sensor error T-Remote Air F3
Protection for the flow switch of the heat pump HP-Water Switch Ec
Welding protection to the auxiliary electric heater 1 of the
heat pump
Auxi. heater 1 EH
Welding protection to the auxiliary electric heater 2 of the
heat pump
Auxi. heater 2 EH
Welding protection to the water tank electric heater Auxi. -WTH EH
DC bus under-voltage or voltage drop error DC under-vol. PL
DC bus over-voltage DC over-vol. PH
AC current protection (input side) AC curr. pro. PA
IPM defective IPM defective H5
PFC defective PFC defective Hc
Start failure Start failure Lc
Phase loss Phase loss Ld
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