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8
Fault
Possible cause
Remedy
of whom
Water stream is uneven.
Nozzle is blocked.
Clean the nozzle.
Operator
Amount of water supply is too low.
Check water supply.
Operator
Inadequate or no flow of
detergent
Dosage adjusted too low.
Increase dose.
Operator
Nozzle is set to "High pressure".
Set nozzle to "CHEM".
Operator
Suction filter in the detergent tank is
dirty.
Clean the suction filter.
Operator
Detergent suck hose leaking.
Replace suck hose.
Customer Service
Manual detergent dispensing valve
occluded, defective.
Check; clean, replace, if required.
Customer Service
Pressure does not build up
in the pump
Nozzle is set to "CHEM"
Set nozzle to "High pressure".
Operator
Air in the high pressure pump
Ventilate the appliance (see "System start-
up")
Operator
Suction site pipe leaking.
Check screw fittings and hoses.
Operator
Not enough water
Ensure adequate water supply.
Operator
Sieve in the water inlet is dirty
Clean sieve.
Operator
High pressure hose leaking.
Replace high pressure hose.
Customer Service
Piping leaking.
Repair piping system.
Customer Service
Flow regulator defective.
Test flow regulator, repair.
Customer Service
The valve in the pump is defective.
Replace valve.
Customer Service
High pressure pump is
knocking; manometer (op-
tion) is swaying wildly
Vibration dampener is defective.
Replace vibration dampener.
Operator
Water pump does not suck in ade-
quate air.
Check suction system and remove leaks.
Operator
Detergent container is empty
Refill detergent tank.
Operator
Water flow temperature too hot.
Lower water temperature.
Operator
Water flow blocked.
Clean sieve in the water inlet, check the wa-
ter flow.
Operator
Valve plate or valve spring is defec-
tive.
Replace parts
Customer Service
Advance pump calcified or defective. Check advance pump.
Operator
The installation does not
start when switched on or
when pressing the remote
control (optional).
Appliance switch is switched off
Turn it on.
Operator
On-board electricity supply interrupt-
ed.
Turn it on.
Operator
Pressure switch is defective
Replace pressure switch.
Customer Service
Motor protection switch was trigged
by overflow or loss of a phase of the
electricity supply.
Check the voltage of the three phases.
Electrician/ Cus-
tomer Service
Motor protection switch is set incor-
rectly.
Adjust according to circuit diagram.
Electrician/ Cus-
tomer Service
Motor protection switch for controls
and advance pressure pump trig-
gered.
Check motor protection switch.
Electrician/ Cus-
tomer Service
Control safety transformer defective.
Examine the cause, replace the control
safety device.
Electrician/ Cus-
tomer Service
Circuit board defective.
Check circuit board, replace if required.
Customer Service
Pump starts during the
stand-by period and not
when the hand spray gun
is opened.
Pressure switch or pressure switch
cable defective.
Replace the pressure switch or cable.
Customer Service
Installation does not
switch off.
Pump is drawing in air over the empty
detergent tank.
Refill the detergent tank, ventilate suction
line.
Operator
Pressure switch is defective.
Replace pressure switch.
Electrician/ Cus-
tomer Service
25
EN
Summary of Contents for HD 13/12-4 ST
Page 2: ...2...
Page 37: ...5 o K rcher Karcher CHEM 5 120 0 0 0 1 0 0 CHEM 25 37 EL...
Page 38: ...6 40 10 6 288 016 200 3 MPa 28 mm 2 Nm 29 mm 6 Nm 1000 38 EL...
Page 40: ...8 CHEM CHEM 3 40 EL...
Page 42: ...10 A 3 4 B M 22x1 5 C D E 42 EL...
Page 45: ...13 40 C IEC 60364 1 VDMA 24416 Beuth Verlag K ln www beuth de DN 15 1 2 DN 8 1 mm 1 5 m 45 EL...
Page 47: ...15 47 EL...
Page 67: ...5 I K rcher K rcher CHEM 5 120 0 1 0 I 0 1 0 0 CHEM 25 67 RU...
Page 68: ...6 40 10 6 288 016 68 RU...
Page 70: ...8 RM 81 K rcher CHEM CHEM 70 RU...
Page 71: ...9 3 71 RU...
Page 73: ...11 A 3 4 B M 22x1 5 C D E 73 RU...
Page 78: ...16 78 RU...
Page 143: ...5 I K rcher Karcher CHEM 5 120 0 1 0 I 0 1 0 0 CHEM 25 143 UK...
Page 144: ...6 40 10 6 288 016 144 UK...
Page 145: ...7 K rcher K rcher 15 1 2 MAX BGV A1 RM 100 6 287 008 200 3 28 2 29 6 1000 145 UK...
Page 146: ...8 RM 101 6 287 013 RM 100 RM 81 K rcher CHEM CHEM 146 UK...
Page 147: ...9 3 147 UK...
Page 149: ...11 A 3 4 B M 22x1 5 C D E 149 UK...
Page 154: ...16 154 UK...
Page 155: ......
Page 156: ...http www kaercher com dealersearch...