804546NZ - BW_HB Small_09.18 v1.02
Page 19 of 24
Problem Solving
Symptom
Possible Cause
Solution
Fails to dispense water.
Incorrect filter flush valve setting.
Incorrect filter insertion.
Water isolating valve turned off.
Blocked filter, blocked meter tube,
Blocked strainer, solenoid fault, level
sensor fault, faulty electronics.
Check filter flush valve position
(see step 7, page 8).
Check filter is inserted correctly
(see step 6, page 7).
Check water supply valve.
Contact Zenith authorised agent.
Water not boiling.
Incorrect temperature setting.
Incorrect sleep mode setting.
No power.
Faulty/dislodged temperature sensor,
faulty element, faulty cutout, faulty
electronics.
Check temperature setting
(see section 2.2
*
).
Check sleep mode settings (see section
2.3
*
) or reset settings from service
menu.
Check power supply.
Contact Zenith authorised agent.
Runs out of boiling water and
fails to refill.
Outlet tap drips.
Overflow from vent.
Excessive steam from vent.
Power “on” but no heat.
Overload repeatedly tripping with
excessive steam.
Overload repeatedly tripping
without
excessive steam.
Requires boiling calibration.
Incorrect filter flush valve setting.
Incorrect filter insertion.
Internal adjustment.
Perform boiling calibration
(see section 3.2
*
).
Check filter flush valve position
(see step 7, page 8).
Check filter is inserted correctly
(see step 6 page 7).
Contact Zenith authorised agent.
Sleep/Wakes incorrectly when
room is light/dark.
Requires light calibration.
Incorrect sleep modes settings.
Perform light calibration
(see section 3.1
*
).
Check sleep mode settings (see section
2.3
*
) or reset settings from service
menu.
Dispense tap locked closed
(cannot open tap).
Safety lock (red button on right side) in
“locked” position.
Press to unlock to allow dispense tap
operation. See operating procedures
(page
10
)
Red
fault indicator shown
Touch
indicator for more
information.
Touch
indicator for more
information.
Power cycle the unit (wall power, or see
section 3.4
*
).
Replace
Filter shown in red
Filter has expired (litres used or days
used).
Did not reset filter counter after
replacing filter. Incorrect filter life
settings.
Replace expired filter.
After replacement, reset the filter
counter (section 2.4
*
) or check the
filter life settings (typically 12 months,
9000L).
* Located in Menu Operation Chapter
