Problem Solving - Zenith Hydroboil Series Installation And Operating Instructions Manual

Symptom
Fails to dispense water.
Water not boiling.
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.
Sleep/Wakes incorrectly when
room is light/dark.
Dispense tap locked closed
(cannot open tap).
Red fault indicator shown
Replace Filter shown in red
* Located in Menu Operation Chapter
804546NZ - BW_HB Small_09.18 v1.02

Problem Solving

Possible Cause
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.
Incorrect temperature setting.
Incorrect sleep mode setting.
No power.
Faulty/dislodged temperature sensor,
faulty element, faulty cutout, faulty
electronics.
Requires boiling calibration.
Incorrect filter flush valve setting.
Incorrect filter insertion.
Internal adjustment.
Requires light calibration.
Incorrect sleep modes settings.
Safety lock (red button on right side) in
"locked" position.
Touch indicator for more
information.
Filter has expired (litres used or days
used).
Did not reset filter counter after
replacing filter. Incorrect filter life
settings.
Solution
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.
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.
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.
Perform light calibration
(see section 3.1*).
Check sleep mode settings (see section
2.3*) or reset settings from service
menu.
Press to unlock to allow dispense tap
operation. See operating procedures
(page 10)
Touch indicator for more
information.
Power cycle the unit (wall power, or see
section 3.4*).
Replace expired filter.
After replacement, reset the filter
counter (section 2.4*) or check the
filter life settings (typically 12 months,
9000L).
Page 19 of 24