Kärcher SB MU, Руководство пользователя

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Malfunctions at coin mechanism
Fault Possible cause Remedy By whom
All coin acceptors
reject all coins Main switch is switched off. Set main switch to “1”. Operator
Incorrectly adjusted time of day or operating
times. Night operation lock active Check the adjustments on the control. Operator
Motor protection switch of the high pressure
pumps was triggered Reset motor protection switch.
Determine the cause if it reoccurs. Operator
A single coin ac-
ceptor rejects all
coins Coin acceptor dirty Clean the coin acceptor (see section „Mainte-
nance work“) Operator
Overcurrent on the high pressure pump Acknowledge the fault on the control. Operator
Faults on high pressure pumps
Fault Possible cause Remedy By whom
Irregular water jet
on the hand spray
gun High-pressure nozzle clogged Clean high-pressure nozzle. Operator
Amount of water supply is too low. Check water supply level (refer to technical da-
ta). Operator
Suction hose kinked Check suction hose. Operator
Reduced pres-
sure at the high-
pressure pump High-pressure nozzle flushed Replace the high-pressure nozzle. Operator
Incorrect high pressure nozzle installed. Check/replace high-pressure nozzle. Operator
Amount of water supply is too low. Check water supply level (refer to technical da-
ta). Operator
Check flushing solenoid valve,swimmer valve
and water quality solenoid valve. Customer Ser-
vice
Pressure does
not build up in the
pump High-pressure hose to the washdown yard
leaking Check the high-pressure line, replace if neces-
sary. Operator, Cus-
tomer Service
Overflow valve misadjusted or leaking Check and repair the overflow valve. Customer Ser-
vice
The high pressure pump sucks air from the
empty detergent tank Refill detergent. Bleed the suction line (to speed
up the bleeding process briefly squeeze the suc-
tion hose to the pump repeatedly during opera-
tion). Operator
High pressure
pump is knock-
ing; manometer is
swaying wildly High pressure pump is sucking in air. Check suction pipes for water and detergent and
ensure that they are leak-proof. Operator
Detergent container empty? (see above) Operator
Vibration dampener is defective Replace vibration dampener. Operator
Valve in pump head defective or contaminat-
ed. Replace defective valves. Customer Ser-
vice
The pump does
not run Overcurrent on the high pressure pump Acknowledge the fault on the control. Operator
Disturbed detergent supply
Fault Possible cause Remedy By whom
Inadequate or no
flow of detergent Filter or hose is blocked Clean the parts. Operator
Leaky detergent hose Replace the hose Operator
Dosing pump incorrectly adjusted or defec-
tive. Check the dosing pump and the setting. Operator, Cus-
tomer Service
Dosing pump obstructed by condensate. Drain the condensate from the pressure contain-
er of the compressor. Customer Ser-
vice
69 EN