Remko RKL 491 DC User Manual download pdf (Page 19)

Error codes Fault description / note

38 Low power AC

39 High power AC(A)

40 AC(PCON) overcurrent active

41 IPM board error communication

42 IPM board general error

43 IPM board DC overcurrent

44 PFC overcurrent

45 Over-/undervoltage

46 IPM board current error

47 PFC over temperature

9

Care and maintenance

Regular care and observation of some basic points

will ensure trouble-free operation and a long

service life of the unit.

The device should be checked and thoroughly

cleaned after each prolonged use, but in any case

at least once per year.

The entire plant may only be maintained or

repaired by specialist authorised firms.

DANGER!

Prior to performing any work, ensure the equip-

ment is disconnected from the voltage supply

and secured to prevent accidental switch-on!

1

Fig. 18: Remove filter

1 Filter

n Clean the equipment using a damp cloth. Do

not use a jet of water.

n Do not use any caustic, abrasive or solvent-

based cleaning products.

n Only use suitable cleaning agents, even in the

event of severe soiling.

n Empty the condensate container and check if

the diameter of the condensate lines have

tapered as a result of soiling prior to and after

each operating season. If this is the case, they

must be cleaned.

NOTICE!

Check the level of dirt on the on the exchanger

fins.

n Clean the air filter on the indoor unit at regular

intervals, and more frequently if necessary.

n It is recommended that you take out a mainte-

nance contract with an appropriate specialist

firm.

This enables you to ensure the operational reli-

ability of the plant at all times!

NOTICE!

Never operate the indoor unit without the orig-

inal filter. The heat exchanger fins on the

indoor unit with soil up if operated without a

filter and the device will suffer performance

loss.

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