Error codes and their meanings
Code Error description Cause Remedial measures
P01
Probe, storage tank bottom,
defective
Defective or short-circuited.
Plug-in contact not correct
Check probe resistance.
Replace probe
P02
Probe, storage tank top, defec-
tive
P034 Probe, collector defective
P04 Probe, ambient air defective
P05 Probe, evaporator defective
P07 Probe, suction pipe defective
E01 High pressure fault
Refrigerant pressure is too
high, pressure switch has trig-
gered
Check pressure, water temper-
ature too high
E02 Low pressure alarm
Refrigerant pressure is too low,
pressure switch has triggered
Check pressure, refrigerant
deficiency
E03 Overheating error Water level too low Check water level
E08 Communication fault
Communication error between
operating unit and motherboard
Cable connection, check plug-
in contacts
REMKO RBW PV series
54