Kärcher HDS 7/9-4 M/MX Instructions Manual page 36

Indicator lamp burner failure
1x blinking
The exhaust temperature limiter has
–
been triggered.
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Turn on the appliance.
Error occurs repeatedly.
–
 Inform Customer Service
2x blinking (option)
The flame sensor turned the burner off.
–
 Inform Customer Service
3x blinking
System care detection defective
–
 Inform Customer Service
4x blinking
Temperature sensor defective
–
 Inform Customer Service
Indicator lamp service
Service interval
–
 Perform service work.
Fuel indicator lamp glows
Fuel tank empty.
–
 Refill fuel.
Indicator lamp system care is
illuminated
Note: Burner can operate 5 more hours.
System care bottle empty.
–
 Replace the system care bottle.
Indicator lamp system care is
Note: Burner operation no longer possible.
System care bottle empty.
–
 Replace the system care bottle.
Indicator lamp detergent 1 is
illuminated (HDS 12/18 only)
Detergent tank 1 is empty.
–
 Refill detergent.
36
blinking
Indicator lamp detergent 2 is
illuminated (HDS 12/18 only)
Detergent tank 2 is empty.
–
 Refill detergent.
Appliance is not running
No power
–
 Check power connection/conduit.
Device is not building up pressure
Air within the system
–
Vent pump:
 Set dosing value for detergent to "0".
 With open hand spray gun turn device
on and off multiple times with the device
switch.
 Open and close the pressure/quantity
regulation at the pump unit with the
hand spray gun open.
Note: By dismantling the high pressure
hose from the high pressure connection the
venting process is accelerated.
 If detergent tank is empty, refill.
 Check connections and conduits.
Pressure is set to MIN
–
 Set pressure to MAX.
Sieve in the water connection is dirty
–
 Clean sieve.
 Clean the fine filter; replace it, if neces-
sary.
Amount of water supply is too low.
–
 Check water supply level (refer to tech-
nical data).
Device leaks, water drips from the
bottom of the device
Pump leaky
–
Note: 3 drops/minute are allowed.
 With stronger leak, have device
checked by customer service.
Device turns on and off while hand
spray gun is closed
Leak in the high pressure system
–
 Check high pressure system and con-
nections for tightness.
– 12
EN