Fault-Finding; General Faults - Kärcher SB-HDW S 1 Manual De Instrucciones

English
F Troubleshooting
Problem Possible cause
System does not Mains fuses have blown
start up
System does not Blocked strainer in float
build up pressure, or tank for brush receptacles
pump is knocking
Inadequate water supply
volume
Calcified heating coil
Blocked pipe
The system is drawing in
air
Leaking pump (more Defective pump
than 3 droplets per
minute)
Detergent is not Following components
taken in blocked
–
–
Defective solenoid valve or
non-return valve
High-pressure Calcified heating coil
pumps take in air
when in hot-water
Empty detergent reservoir
mode
Burner does not Check whether hot water
ignite, or flame has been selected for the
extinguishes during programme
normal operation
No ignition spark
System is operating DIP switch (b) in the printed
out of control circuit board reset (only
SB-HDW S 2)
F 2
Operating Instructions
2.

2.1. General faults

filters
hoses
b

Fault-finding

Remedy
Check mains fuses and supply voltage
Clean strainer (see Maintenance schedule)
Check water supply volume
(see Technical specifications for volume)
Decalcify heating coil
(see Maintenance tasks)
Check that water can flow freely through all
pipes and hoses
– Check system for leakages
– Detergent suction hoses must lie in the
detergent
– Refill detergent reservoir
Replace defective component
Clean and flush all parts
Replace valves
Decalcify heating coil
Fill up with detergent
Select menu for making changes on the
printed circuit board and check setting for
menu items 4, 5, 6
Regulate ignition sparking
Check burner ignition and ignition electrodes
Put both switches at OFF
SB-HDW S 1 / SB-HDW S 2
By whom
Electrician
Operator
Operator
Trained
operator
Operator
Operator
Customer
service
Operator
Customer
service
Trained
operator
Operator
Operator
Customer
service
Customer
service
Operator