Trouble Shooting - universalblue IGUAZU Instruction Manual

7. TROUBLE SHOOTING

Cures and explanations
Reconnect the lamp and thermostat
Replace lamp
Reinstate the mains power super
Reset the thermostat. Call qualified
personal. See notes on "Safety limiting
device"
Check and close any hot water drawing
taps even left partially open.
Have a qualified plumber check the
plumbing system; a small leak can
activate the heating element often
occasionally
Remove the thermostat and check the
connectors (Thermostat and heating
element). Call qualified personnel.
Check electrical continuity and insulation
and replace the heating element if
necessary. Call qualified personnel.
Disconnect any other electrical appliances
or call qualified personnel to replace the
heating element.
The system cannot "absorb" the water
expansion in heating. To avoid dripping
install an expansion tank or connect the
safety valve to a drain. See the relevant
section "Dripping from water safety unit"
and "Expansion tank".
Leaks are generally seen at the bottom of
the appliance. Always check for leaks in
the Source zones indicated below.
Dripping can occur if the water in the
tank is cold. Always check for leaks with
the water hot.
Check tightness and replace the gaskets.
Tighten down and check tightness
Replace the heating element if faulty.
Possible causes
Lamp not connected
Faulty lamp
No current
Thermostat safety limiting device tripped
Drawing tap/s open
Leak in system hot water section
Thermostat connectors not correctly
inserted in heating element
Heating element interrupted
Element line overloaded or heating element
earthed causing tripping of protection device
Internal pressure greater than or equal to
0.85 MPa (8.5 bar). Often due to normal
water expansion during heating)
General notes
Condensation
Hot and cold water flexible connectors
Leaks from heating element
Fault
Indicator light does not come on (hot water comes)
Indicator light does not come on (hot water does
not come out)
Indicator light always on (with little hot water
available)
Indicator light always on (hot water does not
come out)
Indicator light goes off when water heater is
switched on.
Dripping from
Water Leaks