Fault Finding - Bosch AQUATAK 10 Instrucciones De Servicio

Fault Finding

The following table gives checks and actions that you can perform if your machine does not operate correctly.
If these do not identify/remedy the problem, contact your service agent.
Warning: Switch off and remove plug from mains before investigating fault.
Symptom
Motor refuses to start
Motor stops
Fuses blow
Excessive working pres-
sure
Pressure pulsating
Pressure too low, but
steady
Note: Several types of ac-
cessory will normally de-
liver a lower pressure
Motor starts up but no
working pressure
The pressure washer
starts irregularly by itself
Water leaks from ma-
chine
18 • F016 L70 370 • TMS • 06.09.05
Possible Cause
Plug not connected
Mains socket faulty
Fuse faulty/blown
Extension cable damaged
Motor protector has activated
Frozen
Fuse faulty/blown
Wrong mains voltage
Motor protector has activated
Fuses faulty/blown
Nozzle partly blocked
Air in the inlet water supply hose/pump
Inadequate water supply
Water strainer blocked
Water supply hoses squeezed
High pressure hose too long
Nozzle worn
Start/stop valve worn
No water supply
Water strainer clogged up
Nozzle clogged up
Pump/power gun leaky
Leaking pump
English - 6
Remedy
Connect plug
Use another socket
Replace fuse
Try without extension cable
Allow to cool for 5 minutes
Wait for pump/water supply hose/ac-
cessory to thaw
Replace fuse
Check that mains voltage corresponds
to specifications on the model tag
Allow to cool for 5 minutes
Change to a mains supply higher than
the pressure washer amp consump-
tion
Clean nozzle
Allow pressure washer to run with
open spray handle and nozzle at low
pressure until regular working pres-
sure is obtained
Check that the water supply corre-
sponds to specifications. The mini-
mum specification for the water supply
hose is 1/2" or 13 mm diameter
Clean water strainer
Straighten out kinked water supply
hoses
Dismount high pressure extension
hose. Retry (extension hose max. 7 m)
Change the nozzle
Activate trigger five time in quick suc-
cession
Connect water supply
Clean the water strainer
Clean nozzle
Contact your Bosch Service Centre
6 drops per minute are permissible. In
case of more serious leakage, you
should contact your Bosch Service
Centre