GB-30
troubleshooting guide
Repairs should only be carried out by a qualified technician in
strict accordance with current local and national safety
regulations. Unauthorised or incorrect repairs could cause
personal injury or damage to the unit.
fault code
Codes
Possible Causes
Remedy
E1
Water tap is not turned on. Turn on the water tap.
Low water pressure
(<0.04MPa)
Turn on the water tap and
ensure it is in full position.
Flow meter is broken.
•
Disconnect from the
mains.
•
Disconnect the water
inlet.
• Call a qualified
technician.
The wire terminals which
connect the flow meter are
loose.
E3, E6,
E7
The temperature sensor is
broken.
Heater element is
broken.
The wire terminal
connected to the heater is
loose.
The wire terminal
connected to the
temperature sensor
is broken.
The wire terminal
connected to the
temperature sensor is
short circuited or open
circuited.
E4
The tank is leaking.
The hose is leaking.
The float switch is broken
or PCB is faulty.
Kenwood KDW12SL3A_IB_100924_Zell.indd 30
24/09/2010 10:39 AM