ALARM 10

Fan overcurrent

Bad fan

ALARM 11

Fan non-functional

The fan is not operating.

ALARM 12

Compressor overcurrent

Bad compressor

ALARM 13

Compressor non-functional

The compressor is not operating

ALARM 20

TH-in sensor communication failure

Inlet temperature and humidity sensor was disconnected from main PCB.

ALARM 21

TH-out sensor communication failure

Outlet temperature and humidity sensor was disconnected from main PCB.

ALARM 22

Diff press sensor communication failure

Differential pressure sensor was disconnected from main PCB.

ALARM 23

Power measurement IC communication failure

Main PCB is receiving improper voltage.

ALARM 24

RTC IC communication failure

Bad main PCB

ALARM 50

Low refrigerant charge

There is an insufficient charge of R32 refrigerant in the dehumidifier.

ALARM 60

Inlet temp/RH sensor failure

Bad intlet temp/RH sensor board.

ALARM 61

Outlet temp/RH sensor failure

Bad outlet temp/RH sensor board.

ALARM 62

Air pressure sensor failure

Bad air pressure sensing system.

ALARM 63

Defrost temperature sensor failure

Bad defrost temperature sensor.

ALARM 64

Discharge temperature sensor failure

Bad compressor discharge temperature sensor.

ALARM 65

Defrost sensor out of range

Defrost sensor measured a value outside of the expected range.

ALARM 66

Discharge temperature sensor out of range

Discharge temperature sensor measured a value outside of the expected range.