Check List For Maintenance; Fault Finding - Nilfisk-Advance Gerni 2302A Operating Manual

ACTION WHAT/WHO
Instruct New operator
Check High pressure hose
Check Pressure gauge
Check Detergent suction
Clean Water filter
Clean Fine sand filter
Check Machine for leaks
Adjust Oil burner
Clean Boiler/coil
Perform Descaling
Check Thermostat
Symptoms
High pressure cleaner
does not start.
High pressure cleaner
stops suddenly.
Motor hums when
started.
High pressure hose and
pistol shake.
32
CHECK LIST
WHEN/HOW OFTEN
Before operator uses high pressure cleaner
During daily use
During daily use
Daily - by means of detergent
Weekly/as needed
As needed
Every other month
Twice a year/ as needed
Yearly/as needed
For pressure increase over 5 bar
Every other month

FAULT FINDING

Cause
Switch not activated.
High pressure cleaner not
connected to the power.
Fuse burnt out.
Missing voltage in plug.
Fuse burnt out.
Low voltage.
Motor or coil too warm.
Operating pressure too high (nozzle dirty).
Fuse burnt out.
Fault on the power line.
Air in the pump.
Detergent valve open.
Lack of water.
HOW
Let operator read instruction guide
Leaks ? - call service engineer
Too high/too low ? - call service engineer
Lack of suction/leaks ? - call service engineer
See maintenance
See maintenance
Leaks ? - call service engineer
Call service engineer
Call service engineer
See maintenance
Temperature too high/low ?
- call service engineer
Corrective action
Activate switch.
Put in the plug, switch on the mains switch.
Change fuse. If fuse burns out again,
contact service department.
Connect voltage according to el. diagram.
Change fuse. If fuse burns out again,
contact service department.
Extension cable too long, contact service department.
Set switch in pos. "0" and wait 15 min. Restart the
machine.
Clean/change nozzle (see technical data).
Change fuse. If fuse burns out again or motor still
hums, contact service department.
Check voltage in the plug.
Tighten suction hose.
Turn the detergent regulation to pos. "0".
Clean suction filter. Open tap completely.