Garland ULTIMATE 820 QG Instruction Manual - page 50
English
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Not water flow and pressure fluctuates:
In any other case, take the machine to the service agent.
Symptom
Probably cause
Corrective action
Pressure fluctuates or machine
vibrates
Not enough water flow.
Check that the hose is well connected and
that it has no leaks.
Check that the tap gives enough water flow
to the needs of the machine. Check the filter
and ensure that it is clean.
Machine starts but no water comes
out.
Water is frozen
Ensure water is not frozen
The tap is closed
Open the tap
The ance is blocked
Clean the lance
If the engine motor does not work properly (lack of power, unstable idling, etc.) below is a series of symptoms,
their probable cause and solutions.
Symptom
Probably cause
Corrective action
The machine beeps
Worn segments
Send your machine to the service technician
Used piston
Send your machine to the service technician
Crankshaft clearance
Send your machine to the service technician
Slack in the clutch
Send your machine to the service technician
The engine overheats
Dirty exhaust pipe
Send your machine to the service technician
Unsuitable fuel
Replace the fuel
Dirty carburetor
Send your machine to the service technician
The engine does not turn over
Dirty air filter
Clean the filter
Dirty air filter
Clean the filter
Poorly-adjusted carburetor
Send your machine to the service technician
The engine stops or does not
maintain an idle state.
Poorly-adjusted carburetor
Send your machine to the service technician