IPC TWOCK-H D1341Pi Manuel D'instructions page 14

ATTENTION
• ALWAYS DISCONNECT THE APPLIANCE FROM THE ELECTRIC POWER SUPPLY BEFORE CARRYING OUT ANY REPAIR WORK.
• THE ELECTRICAL COMPONENTS MUST ONLY BE CHECKED BY THE AUTHORISED CUSTOMER SERVICE.
SYMPTOM
The machine does not start
The pump is running normally but pressure
does not reach rated values
Fluctuating pressure
Pressure drop
High pressure hose is vibrating
Machine is producing too much noise
Presence of water in oil
Water dripping from under pump
Oil leakage
The motor is humming but does not run
Motor does not start
Motor suddenly stops
Unloader valve is "knocking" continuously
during operation.
Unloader valve is "knocking" with gun in
closed position
9 - TROUBLE SHOOTING
CAUSE
Wrong voltage
Connecting cable damaged
Pump is sucking air
Valves worn or dirty
Unloader seat worn or faulty
Water nozzle incorrect or worn
Worn piston packing
Valves are worn , dirty or stuck
Pump sucking air
Worn piston packings
Worn nozzle
Valves are worn , dirty or stuck
Unloader valve seat worn or dirty
Worn piston packings
Pump is sucking air form an empty
detergent tank
Pump sucking air from hoses or fittings
Air in the water circuit
Valves dirty or stuck
Pump sucking air
Valves worn, dirty or stuck
Worn bearings
Water too hot
Worn packings and oil seals
High humidity in the air
Worn piston packings
O-rings of piston guide or retainer worn
Worn oil seals
Voltage supply is lower than the minimum
prescribed
Pump is frozen or stuck
Plug not well connected
Thermic protection device has been activated
due to overheating
Water nozzle partially blocked
Water filter dirty
Gun is leaking
Air in the water circuit
Damaged high pressure hose
Faulty unloader valve
- 14 -
REMEDY
Check main voltage
Check and replace if necessary
Check that hoses and fittings are tight
Check and replace if necessary
Check and replace if necessary
Check and replace if necessary
Check and replace if necessary
Check, clean or replace
Check that hoses and fittings are tight
Check and replace if necessary
Check and replace
Check, clean or replace
Check, clean or replace
Check and replace if necessary
Refill the detergent tank
Tighten the detergent valve.
Check there is no leaking:. Tighten every loo-
se fitting. Contact Maintenance Service.
Disconnect the high pressure hose and let the
unit run until the water is flowing constantly
without air.
Check, clean or replace if necessary.
Check that hoses and fittings are tight
Check, clean or replace
Check and replace if necessary. Contact
Maintenance Service.
Reduce temperature to below 60°C.
Check and replace if necessary
Check and change oil twice as often
Check and replace. Contact Maintenance
Service.
Check and replace. Contact Maintenance
Service.
Check and replace
Check that the outlet is suitable
Manually turn the motor by the means of key
supplied. Insert the key directly into the fan
cover.
Check plug, cable and switch
Check that voltage is suitable. Disconnect the
unit and allow it to cool off for a few minutes.
Clean water nozzle
Clean water filter
Clean inside the gun, removing any deposits
or build-ups. Contact Maintenance Service.
Repeat procedures outlined in "High pressu-
re hose is vibrating"
Replace high pressure hose
Contact Maintenance Service