Würth HDR-HW 180-14 Instructions D'utilisation Originales page 27

Before carrying out any operations, disconnect the water cleaner from the mains electricity supply via the omni-
FAULTS
When the switch is turned the cleaner
does not start.
No jet or leakage from high pressure
water circuit. After 30 seconds, the
water cleaner stops. (DS Vers.).
The pump functions but does not reach
rated pressure.
When the lance is open, the pressure
drops and rises.
In by-pass or total stop phase, the water
cleaner shuts down. (ST-DS Vers.).
After the by-pass phase, the water
cleaner shuts down (ST Vers.).
When the temperature regulator is brou-
ght to the required position, the boiler
does not come on.
Water not enough.
English
TROUBLE-SHOOTING
polar switch or by unplugging the plug from the socket.
CAUSES
Faulty electric connection.
Thermal protection has tripped.
Water supply filter clogged.
Faulty connection to the mains water
supply.
Mains water supply tap closed.
Leakage from high pressure circuit.
Water supply filter clogged.
Faulty connection to the mains water
supply.
Pressure regulation valve is set at
minimum.
Lance nozzle worn.
Valves dirty or worn.
Detergent tap open.
Pressure adjustment devices on lance
open (if present).
Nozzle clogged or deformed.
Inadequate water supply.
Detergent tap open.
Micro-leaks of water from the high pres-
sure circuit.
The water cleaner has been by-pass
phase at least 3 minutes.
No diesel.
Motor rotation direction incorrect on
three-phase models.
Temperature regulator position.
Filters clogged.
Boiler element coated with scale.
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REMEDIES
Check the mains voltage.
Reset (if it trips again, apply to the tech-
nical service centre).
Clean.
Check.
Open.
Contact Service Centre.
Clean.
Check.
Regulate it.
Contact Service Centre.
Contact Service Centre.
Close.
Close.
Clean or contact Service Centre.
Check.
Close.
Contact Service Centre.
Restart by rotating the main switch "A"
(fig. 8) into the "O" position and subse-
quently into the "I" position.
Check the level of diesel in the tank and
make sure the fuel supply circuit is free
of water.
Contact Service Centre.
Check.
Clean or replace.
Contact Service Centre.