**It is strongly recommended that any REMEDY be carried out by a qualified service person**
SYMPTOMS
POSSIBLE CAUSE
REMEDY
1.
The unit does not fill with
water
There is no power supply
Check the electrical supply.
There is no water supply
Check the water supply.
The inlet strainer is
blocked
Check the Inlet Strainer, clean or
replace.
Electronic Controller
failure
Test the electronic controller.
Solenoid Valve failure
Check resistance of the solenoid,
replace if broken.
The Filter is blocked (If
unit is supplied with an
inlet water filter)
Check the filter, replace if blocked
(see section 5E for re setting the
filter)
2.
The unit fills water to low
level and does not heat
Thermal cut-out has
tripped
Reset the thermal cut-out.
Heating element failure
If the heating element is properly
wired, then check its resistance.
Replace if broken.
Electronic Controller
failure
Test the electronic controller.
Thermistor failure
Replace the thermistor.
3.
The unit boils
continuously
Low Air Pressure
Recalibrate the unit (see section 5F
sub section v) for how to recalibrate
the unit
Electronic Controller
failure
Test the electronic controller.
Thermistor failure
Replace the thermistor.
4.
The unit overflows
Incoming water pressure
is too high
Reduce incoming water pressure.
Solenoid valve failure
Turn the unit off. If water still
overflows, replace the solenoid valve.
Level probe failure
Clean the level probe
Replace the level probe
5.
There is no water from
the tap
The unit did not fill with
enough water
See 1. & 2. above.
The tap diaphragm is
disconnected from its
spindle
Drain water out of the unit
(see paragraph 6 on page 4).
When unit is empty, disassemble and
repair the tap.
LAZER BOILING WATER UNIT: FAULT FINDING GUIDE
.
11.
