Kärcher SB MB, Руководство пользователя

Страница: 74 / 424

74 English
Malfunctions during dry foam production (option)
Malfunctions in the water treatment
Malfunction Possible cause Rectification By whom
Foam quality is poor,
foam too dry or too wet Detergent container empty Replace the container. Operator
Suction filter dosing pump is clogged Rinse the filter with warm water. Operator
Water supply is too low Restore the water supply, check the setting of the foam station pressure reducer
(0.25 MPa (2.5 bar)). Operator
Compressor does not supply air Check the compressor. Drain the condensation water from the compressor pres-
sure tank. Customer Service
Compressor is overheated After cooling down, the compressor automatically starts up again. Operator
Pressure reducer of foam station is
contaminated Clean the pressure reducer. Operator
Solenoid valve for water/chemistry
does not open Check voltage with a magnetic field tester, clean the solenoid valve, replace if nec-
essary Operator, Customer
Service
The setting of the dosing valves for wa-
ter/chemistry or air is incorrect Set to the standard setting (see chapter Operation and settings). Customer Service
Incorrect detergent, detergent contam-
inated or old Change the detergent. Operator
Malfunction Possible cause Rectification By whom
Base exchanger does not
regenerate No power supply. Check the power supply (fuse, plug, switch). Operator, Customer
Service
Hardness sensor is defective Check the hardness sensor, replace if necessary. Customer Service
Base exchanger regener-
ates during operating time Clock was adjusted by power failure
(option, only with WAT-S 202) Reset the time (see "Settings/Setting the WAT-S 202 base autoexchanger") Operator
Water remains hard after
regeneration Salt tank is empty. Refill softening salt, wait for brine formation (approx. 2 hours), start a manual re-
generation. Never allow the salt level to fall below the water level in the salt tank. Operator
Injector filter is clogged Clean the injector filter. Customer Service
Water inflow to the salt tank is insuffi-
cient Check the brine filling time, clean the brine filling orifice if necessary. Customer Service
Riser pipe is leaking Check the riser pipe and the pilot pipe. Customer Service
Salt consumption is too
high Too much water in the salt tank Check the salt consumption and salt quantity setting. Customer Service
Incorrect salt quantity setting
Pressure loss Deposits in the water supply Clean the water supply. Customer Service
Deposits in the base exchanger Clean the valve and resin board. Customer Service
Too much water in the salt
tank Rinsing screen is blocked Clean the rinsing screen. Customer Service
Injector is clogged Clean the injector and filter. Customer Service
Foreign body in the brine valve Clean the brine valve, change the valve seat. Customer Service
Power failure during brine filling Check the power supply. Customer Service
Brine is not sucked in Water inlet pressure too low. Increase the water inlet pressure to at least 0.3 MPa (3 bar). Operator
Rinsing screen is blocked Clean the rinsing screen. Customer Service
Injector is clogged Clean the injector and filter. Customer Service
Leak in the valve interior Replace the valve flaps. Customer Service
Water is constantly in the
drain, even after regener-
ation Valve does not perform cycles correct-
ly Check the timer programme, replace the valve control if necessary. Customer Service
Foreign body in the valve Remove the valve control, remove the foreign body, check the valve in all posi-
tions. Customer Service
RO pump does not start Permeate buffer tank is full Wait until permeate is used up. Operator
The “buffer tank full” level switch is
faulty Check the level switch. Customer Service
Start-up time of the controller is not yet
finished Wait. Operator
Pressure switch for water shortage
was triggered Fine filter or active carbon filter is contaminated. Check both filters, replace the fil-
ter inlay if necessary. Operator
Pressure switch has a water shortage
fault Check the pressure switch, replace if necessary. Customer Service
Base exchanger regeneration is run-
ning Wait for the end of the regeneration. Operator
No softened water comes from the
base exchanger Check the base exchanger. Operator, Customer
Service
Pump disconnection from mains (op-
tional) not working Check the voltage supply. Check the pump. Customer Service
RO pump only starts after
several flushing cycles Water mains pressure too low Check the water mains pressure, if necessary open the supply valve completely. Operator
Fine filter or active carbon filter is con-
taminated Check both filters, replace the filter inlay if necessary. Operator
Permeate output is too
low, buffer tank permeate
is often empty Water supply temperature is too low Measure the temperature of the softened water and compare it with the technical
data. Operator
Operating pressure is too low Readjust the operating pressure. Customer Service
Lime or mineral deposits on the filter
surface of the RO membrane Descale the membrane, replace if necessary. Customer Service
The buffer tank “full” level switch is
faulty Check the level switch. Customer Service
Bacteria or algae deposits on the filter
surface of the RO membrane Rinse the membrane for a long time, replace if necessary. Note in the future: Water
in drinking water quality, avoid long downtimes. Customer Service