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troubleshooting guide
Repairs should only be carried out by a qualified technician in
strict accordance with current local and national safety regula-
tions. Unauthorised or incorrect repairs could cause personal
injury or damage to the unit.
fault code
Codes
Possible Causes
Water tap is not turned on.
Low water pressure
(<0.0MPa)
E1
Flow meter is broken.
The wire terminals which
connect the flow metre are
loose.
The temperature sensor is
broken.
Heater element is broken.
The wire terminal connected
to the heater is loose.
E3, E6,
The wire terminal connected
E7
to the temperature sensor is
broken.
The wire terminal connected
to the temperature sensor
is short circuited or open
circuited.
The tank is leaking.
The hose is leaking.
E
The float switch is broken or
PCB is faulty.
GB-32
Remedy
Turn on the water tap.
Turn on the water tap and
ensure full opening position.
•
Disconnect from the
mains.
•
Disconnect the water inlet.
•
Call a qualified technician.
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