Kärcher SB MU Manual De Instrucciones página 65

Display Cause
F 300 No connection to electronics A7
F 301 Outputs of the electronics A7 overloaded
F 320 No connection to electronics A8
F 321 Outputs of the electronics A8 overloaded
F 322 Current consumption of pump for micro-emulsion (intensive cleaning
complete) too high
F 323 Current consumption of pump for micro-emulsion (intensive cleaning
complete) too low
F 324 Contactor of pump for micro-emulsion (intensive cleaning complete) is
jammed
F 340 No connection to electronics A9
F 341 Outputs of electronics A9 overloaded
F 342 Power consumption of intensive foam pump too high
F 343 Power consumption of intensive foam pump too low
F 344 Contactor of intensive foam pump jammed
F 400 Warm water no pressure
F 401 Fresh water no pressure
F 402 Permeate no pressure
F 403 4. type of water no pressure
F 404 4. Type of water, temperature over 60 °C or external disturbance
F 405 Frost protection no pressure
F 406 Pressure in the frost protection despite switched off anti-freeze pump.Acknowledge the fault. If the fault recurs, call cus-
F 410 Error F 400 occured 4 times within 24 hours.
F 411 Error F 401 has been active for 300 seconds.
F 412 Error F 402 occured 4 times within 24 hours.
F 413 Error F 403 occured 4 times within 24 hours.
F 414 Error F 405 occured 4 times within 24 hours.
F 420 Fault token changer 1
F 421 Fault token changer 2
F 440 No connection to electronics A31
F 441 Outputs of electronics A31 overloaded
F 800 No connection to the electronics A30
F 801 Outputs of the electronics A30 overloaded.
F 802 Fault in softening plant
F 803 Protective motor switch prepressure pump RO tripped.
Remedy
Acknowledge the fault. If the fault recurs, call cus-
tomer service.
Call customer service.
Acknowledge the fault. If the fault recurs, call cus-
tomer service.
Call customer service.
Check water supply.
Lower water temperature.
Check upstream water treatment system.
Clean the frost protection sieve.
Check the anti-freeze pump.
tomer service.
Check water supply.
Acknowledge the fault. If the fault recurs, call cus-
tomer service.
Check token changer.
Acknowledge the fault. If the fault recurs, call cus-
tomer service.
Acknowledge the fault. If the fault recurs, call cus-
tomer service.
Check external water softening unit.
Reset motor protection switch; call Customer Ser-
vice if the problem recurs.
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