2 diagnosis and solution indoor unit – REMKO RVT 263 DC User Manual

Page 51

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Malfunction on the indoor unit

Indica-

tion

Cause

Required action

E0

EEPROM error

See error analysis

E1

Communication error between outdoor and

indoor unit

Contact specialist dealer

E2

Phase monitoring has responded

Check wiring

E3

Evaporator fan motor speed too low / defective See error analysis

E4

Ambient air probe on indoor unit defective /

connection interrupted (T1)

Check connection and plug

E5

Register probe on indoor unit defective /

connection interrupted (T2)

Check connection and plug

EC

Cooling mode: no cooling output after 30 min.

Heating mode: no heating output after 30 min.

Contact specialist dealer

F1

Ambient air probe for outdoor unit faulty /

connection interrupted (T4)

Check connection and plug

F2

Register probe on outdoor unit defective /

connection interrupted (T3)

Check connection and plug

F3

Heat gas probe on outdoor unit faulty /

connection interrupted (T5)

Check connection and plug

F4

EEPROM error on outdoor unit

Switch off power to unit for 1 min.

Contact specialist dealer.

F5

Condenser fan speed not alright

See error analysis

P0

Rotational speed monitoring on compressor

has responded (inverter module)

Check connections CN4 and CN1 on the out-

door unit PCB / Contact specialist dealer

P1

Overload switch on outdoor unit tripped (250V) Check the voltage of the power supply

P2

Excessive temperature (Klixon) compressor

has tripped

Check the refrigerant quantity / Check the

resistance of the compressor sensor (normal

0Ω)

P3

Compressor overcurrent protection

has responded

Check winding resistance of the compressor

(1Ω = U-V / U-W / V-W)

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?

YES

Is the EEPROM chip plugged in PCB well?

NO

Correct the connection.

YES

Replace the ind.

51

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