English
HDS 796 CW
11
Fault
Unit leaking, water dripping out at
bottom
Unit constantly switched on and
off with handgun closed
Unit does not draw in cleaning
agent
Burner not ignited
Set temperature not attained
when working with hot water
Cause
–
Pump leaking
–
Leak in high-pressure system
–
Filter in cleaning-agent suction
hose dirty
–
Non-return valve gummed up
–
Fuel tank empty
–
Lack of water
–
Fuel filter dirty
–
Incorrect direction of rotation. If
direction of rotation is correct,
powerful jet of air will be felt at
exhaust-gas opening of burner.
–
No ignition spark
–
Soot deposits on heating coil
Remedy
3 droplets/min are permitted.
In the event of a major leak, have
unit checked by After-Sales Service.
Check high-pressure system and
connections for leaks
Clean filter
Pull off cleaning-agent hose and use
blunt object to release non-return
valve (see Fig.).
Fill up
Check water connection, check
supply lines, clean low water
protection.
Replace fuel filter.
Check direction of rotation. If
necessary, have connection
replaced by a qualified electrician.
Have unit checked by After-Sales
Service if no ignition spark is visible
through inspection glass during
operation.
Have After-Sales Service remove
soot deposits from unit
If fault cannot be rectified, have
unit checked by After-Sales
Service.
