REMKO RVD xxx DC - Manual (Page 35)

Fault code
DISPLAY
Fault description Required action
E0 EEPROM error see page 85 / point 1
E2 Communication error between indoor unit and outdoor component see page 85 / point 2
E3 Communication error on outdoor component main board see page 86 / point 3
E4 Fault on the outdoor temperature sensor see page 86 / point 4
E5 Compressor overvoltage protection see page 86 / point 5
P0 Compressor overload protection (Klixon) tripped
P1 High pressure fault (from RVD 521 and up) see page 87 / point 6
P2 Low pressure fault (from RVD 521 and up) see page 88 / point 7
P3 Compressor overcurrent protection tripped see page 89 / point 8
P4 Compressor overload protection (Klixon) see page 90 / point 9
P5 Condenser outlet sensor triggered see page 90 / point 10
P6 IPM power board safety shutdown see page 91 / point 11
Fault displays shown on the outdoor component
1. Fault code E0: EEPROM error
No Fit EEPROM properly Is the EEPROM
fitted properly?
Yes
Replace outdoor
component main board
2. Fault code E2: communication error between indoor
unit and outdoor component
No Establish the power
supply. Is there voltage in the
indoor unit?
Yes
Reset the DIP switch
and switch for 5 min
without current.
Are the DIP switches
on the main board set
correctly?. See cover.
Yes
Is the cable connecting
the indoor unit and
outdoor component
properly connected?
No Connect the cable
properly.
Replace the main board
for the indoor unit or
outdoor component
Yes
Is the cable connecting
the indoor unit and
outdoor component
damaged?
No
Yes Replace the cable.
No
RVD 521-1051DC outdoor unit fault analysis
35