REMKO RVD xxx DC - Manual (Page 30)

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