Remko RKL 491 DC User Manual download pdf (Page 18)

Troubleshooting and customer service

The unit has been manufactured using state-of-the-art production methods and tested several times to

ensure its correct function. If malfunctions should occur, please check the unit as detailed in the list below. If

all functional checks have been carried out and the device still fails to operate properly, then please notify

your nearest specialist dealer.

Functional trouble

Fault description Cause Remedy

The unit does not start Mains failure Check voltage and if necessary wait

until power is back on

Mains fuse or controller fuse

faulty

Arrange to have exchanged

Mains plug not inserted in

socket

Insert mains plug

Condensate container full,

display "DRAIN WATER"

flashes

Empty container via condensate drain

hose

Timer mode active Wait for timer period to expire or press

"I / 0" button again

The unit is running with Reduced

ventilation output

Used air or outlet openings

soiled or blocked by foreign

bodies

Clean the openings Remove foreign

bodies

Filter soiled Clean the filter in accordance with the

instructions

Outdoor unit soiled Clean the fins on the inside of the out-

door unit

Cooling load of the room

excessive

Reduce the thermal load

Condensate leaks out of the unit Device standing at an angle Position vertically, ensure stable posi-

tioning

Plugs missing from conden-

sate drain hose

Seal the hose so that it is watertight

again

Error codes

Error codes Fault description / note

01 I/O PCBA error communication

02 Air intake sensor defective

03 Evaporator sensor defective

32 Liquid line sensor defective

33 Hot gas sensor compressor defective

35 Compressor speed is not correct

36 Compressor over temperature

37 Liquid line heat exchanger is too high

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Remko RKL 491 DC User Manual Page 18

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