Karcher HDS 7-16 4C Basic - Manual (Page 30)

– 10
– Water shortage
 Check water supply, check connec-
tions.
– Leak in the high pressure system
 Check high pressure system and con-
nections for tightness.
– Fault in the voltage supply or current
pickup of the motor too high.
 Check main connections and mains
fuse.
 Inform Customer Service
– Engine overload/overheat
 Set the appliance switch to "0/OFF“.
 Allow device to cool down.
 Turn on the appliance.
– Error occurs repeatedly.
 Inform Customer Service
– 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
– Obstructed reed switch in the lack of
water fuse or magnetic piston stuck.
 Inform Customer Service
– The flame sensor turned the burner off.
 Inform Customer Service
– Fuel tank empty.
 Refill fuel.
– No power
 Check power connection/conduit.
– 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).
– Pump leaky
Note: 3 drops/minute are allowed.

With stronger leak, have device
checked by customer service.
– Leak in the high pressure system
 Check high pressure system and con-
nections for tightness.
Indicator lamp service
1x blinking
2x blinking
3x blinking
4x blinking
5 x blink
6 x blink
Fuel indicator lamp glows
Appliance is not running
Device is not building up pressure
Device leaks, water drips from the
bottom of the device
Device turns on and off while hand
spray gun is closed
30 EN