REMKO ML 263 DC - Manual (Page 46)

Fault indicated on indoor unit
Display Cause Required action
E0 EEPROM error Contact specialist dealer
E1
Communication fault between outdoor unit and
indoor unit
Disconnect from mains for 2 min, check elec-
trical wiring
E2 Wiring fault L/N/Pe/S Check wiring, replace IT circuit board
E3 Defective speed monitoring, evaporator fan Check wiring, check motor voltage
E4
Evaporator inlet temperature probe defective /
short-circuited
Check wiring, contact specialist company
E5
Evaporator suction pipe probe defective /
short-circuited
Check wiring, contact specialist company
EC Refrigerant loss / leak
Check refrigerant pressure, check system for
leaks
F1
Outside temperature probe defective / short-
circuited
Check wiring, contact specialist company
F2 Condenser probe defective / short-circuited Check wiring, contact specialist company
F3 Heat gas line probe defective / short-circuited Check wiring, contact specialist company
F4 EEPROM fault, outdoor unit Contact specialist dealer
F5 Defective speed monitoring, condenser fan Check wiring, check motor voltage
P0 IPM power board safety shutdown
Check wiring, switch off and on again, contact
specialist company
P1 Overvoltage/undervoltage protection
Check voltage on the L/N/S system. Switch
system off and on again
P4 Inverter board fault
Switch system off and on again, replace
inverter board
11.2 Indoor unit fault analysis
Fault E0: EEPROM error
Switch the unit off for 5 seconds. Is the fault still
shown on the display?
YES
Is the EEPROM chip properly seated on the cir-
cuit board?
NO
Insert the chip properly.
YES
Replace the indoor unit circuit board.
REMKO ML...DC
46