Diagnosis And Solution Indoor Unit - REMKO BL DC Series Installation & Maintenance Instructions Manual

REMKO BL...DC
Malfunction on the indoor unit
Indica-
Cause
tion
E0 EEPROM error
Communication error between outdoor and
E1
indoor unit
E2 Phase monitoring has responded
E3 Evaporator fan motor speed too low / defective See error analysis
Ambient air probe on indoor unit defective /
E4
connection interrupted (T1)
Register probe on indoor unit defective /
E5
connection interrupted (T2)
Cooling mode: no cooling output after 30 min.
EC
Heating mode: no heating output after 30 min.
Ambient air probe for outdoor unit faulty /
F1
connection interrupted (T4)
Register probe on outdoor unit defective /
F2
connection interrupted (T3)
Heat gas probe on outdoor unit faulty /
F3
connection interrupted (T5)
F4 EEPROM error on outdoor unit
F5 Condenser fan speed not alright
Rotational speed monitoring on compressor
P0
has responded (inverter module)
P1 Overload switch on outdoor unit tripped (250V) Check the voltage of the power supply
Excessive temperature (Klixon) compressor
P2
has tripped
Compressor overcurrent protection
P3
has responded
11.2

Diagnosis and solution indoor unit

Error E0: EEPROM parameter error
Shut off the power supply and turn it on 5 sec-
onds later. Is it still displaying the error code?
Is the EEPROM chip plugged in PCB well?
Replace the ind.
40
YES
YES
Required action
See error analysis
Contact specialist dealer
Check wiring
Check connection and plug
Check connection and plug
Contact specialist dealer
Check connection and plug
Check connection and plug
Check connection and plug
Switch off power to unit for 1 min.
Contact specialist dealer.
See error analysis
Check connections CN4 and CN1 on the out-
door unit PCB / Contact specialist dealer
Check the refrigerant quantity / Check the
resistance of the compressor sensor (normal
0Ω)
Check winding resistance of the compressor
(1Ω = U-V / U-W / V-W)
NO
Correct the connection.