Delco DH 2305 Manuel D'instructions page 13

Before carrying out any operations, disconnect the water cleaner from the main electrical supply via the ON/OFF
!
FAULTS
When the switch is turned the cleaner
does not start.
No spray delivered.
The pump turns but does not reach
the rated pressure.
When the lance is turned on the pres-
sure falls and rises. After 10 pulses,
the water cleaner stops and indicator
light "D" (fig. 6) flashes.
In by-pass or total stop phase, the wa-
ter cleaner shuts down and indicator
light "D" (fig. 6) flashes.
After the total stop phase, the water
cleaner does not start up and the indi-
cator lights is on.
When the thermostat reaches the
chosen temperature the boiler does
not light.
Indicator light "F" (fig. 6) flashes.
Water not hot enough.
Too much smoke from the flue.
Insufficient detergent suction.
English
TROUBLE-SHOOTING
switch or by unplugging the plug from the socket.
CAUSES
Faulty electric connection.
Thermal protection has tripped.
Faulty water circuit connection.
Clogged water filter.
Mains tap turned off.
Detergent tap turned on.
Water intake filter blocked.
Faulty water circuit connection.
Pressure regulation valve is set at
minimum.
Lance nozzle is worn.
Dirty or worn valves.
Detergent intake device on the lance is
turned on.
The nozzle is clogged or deformed.
Insufficient supply.
Micro-leaks of water from the high pres-
sure circuit.
The water cleaner has been unused for
at least 20 minutes and is in a state of
total shutdown.
No fuel.
Fuel filters are clogged.
Thermostat setting.
Clogged filters.
Boiler coil clogged with scale.
No fuel.
Incorrect combustion.
Impurities or water in the fuel.
Tap turned off.
No detergent in the tank.
Control on the lance not switched on.
Coil or pipe clogged.
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REMEDIES
Check the main voltage/circuit breaker.
Reset (if it trips again, call your authori-
zed dealer).
Check it.
Clean it.
Turn it on.
Turn it off.
Clean it.
Check it.
Regulate it.
Call your authorized dealer.
Call your authorized dealer.
Turn it off.
Clean or consult our technical service
centre
Check it.
Contact Service Centre.
Restart by rotating the main ON/OFF
switch (fig. 6) into the "O" position and
subsequently into the "I" position.
Check the fuel level in the tank and see
that the fuel intake circuit is clean (no
water).
Change the in-line filter.
Check it.
Clean the fuel filters.
Call your authorized dealer.
Fill the fuel tank.
Clean the various fuel filters.
Empty the tank and clean it carefully.
Clean the various fuel filters too.
Turn it on.
Fill the detergent tank.
Set the control on the lance.
Call your authorized dealer.