
20
Er11
Time limit for locking heat pump reached
Er12
Outlet gas temp of compressor 1 too high error
Er13
Outlet gas temp of compressor 2 too high error
Er15
Water tank temp sensor error
Er16
Air heat exchanger 1 lowest tube temp sensor error
Er17
Air heat exchanger 2 lowest tube temp sensor error
Er18
Outlet gas temp sensor error of compressor 1
Er19
Outlet gas temp sensor error of compressor2
Er21
Ambient air temp sensor error
Er22
Return water temp sensor error (from bathroom to water
tank)
Remark: For HW and HT series
Inlet water temp sensor error
Remark: For HC, SP-H and SP-HC series
Floor heating water temp sensor error
Remark: For HH series
Er23
Outlet water temp too low protection at cooling mode
Remark: for HC and SP-HC series
Er25
Water level switch error
Remark: For HW and HT series
Er27
Outlet water temp sensor error
Er29
Inlet gas temp sensor error of compressor 1
Er30
Inlet gas temp sensor error of compressor 2
Er35
Compressor 1 current too high error
Er36
Compressor 2 current too high error