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818 Sport Models
Trouble Shooting Fault Diagnosis Guide 1
Problem/
Possible Cause
Report
No Water Dispenses
From Ambient
Water Supply turned off
Valve
(818 Cold &
No Electricity/Power Supply Check power cord connected and live and
Ambient only)
"Waterblock" tripped off
(and Tank empty)
Faulty Solenoid Valve
From Cold Valve Firstly all as for Ambient
Tap
Chiller tank frozen - Faulty
Thermostat
Chiller tank Frozen-faulty
air pump (818CS only)
Leak detector has switched
the machine off (818CS
only)
25
8 1 8
M O D E L S
No Water Dispenses
O N L Y
Suggested Action
Check all Taps/valves/ filters on incoming
supply are fitted and are turned on.
machine is switched on.
Reset "Waterblock" (and check for any
leaks).
Check valve action. Carefully dismantle valve
and clean out/part replace/complete replace
as needed.
Valve clicking but no water-Check if hole in
centre of washer is clear.
Valve not clicking-Check whether voltage is
present when operated (Caution-High
Voltage). If not present check wiring for
continuity and /or replace PCB.
If present, replace solenoid coil/whole valve
coil/whole valve assembly complete.
Carry out checks and actions as for ambient
tap.
Thaw out and check and replace Cold Water
temperature set point.
Thaw out and check and replace Air pump
and or check electricity supply to pump
present.
Check for internal leakage, ensure probes
are dry and switched off briefly and on again
to reset.
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