Problem display by blinker code
LED
Operation
LED
Timer
LED
Defrost
LED
Alarm
Display
outdoor
unit
Cause
Required action
E0
EEPROM error
Check EEPROM
E2
Communication error between PCBs
outdoor unit & indoor unit
Check electrical connection
leads
E3
Communication error between out-
door unit main board & outdoor unit
inverter board
Check wiring
E4
Outdoor temp sensor on outdoor com-
ponent tripped
Check resistance and tem-
perature on sensor
E5
Overvoltage compressor
Check compressor voltage
P0
Excessive temperature compressor
Allow compressor to cool
P1
High pressure sensor has triggered
Check refrigerant pressure
P2
Low pressure sensor has responded
Check refrigerant pressure
P3
Compressor power consumption too
high
Check compressor power
consumption
P4
Compressor discharge gas over 105°C
Clean liquefier, check refrig-
erant circuit
P5
Liquefier temperature over 65°C
Clean liquefier, check refrig-
erant circuit
P6
Voltage protection main board outdoor
unit
Check voltage
flashes
rapidly
Sensor air circulation / sensor liquefier
tripped
Check resistance
flashes
rapidly
Communication error between outdoor
unit & indoor unit
Check electrical connection
leads
flashes
rapidly
Mode malfunction
Switch system off
flashes
slowly
flashes
slowly
flashes
slowly
flashes
slowly
Sensor liquefier / outdoor temp faulty
or not correctly connected
Read off error code on
outdoor unit
Check sensors
flashes
rapidly
Condensate pump float switch faulty
Check condensate pump
and float switch
REMKO RVD...DC
30