17
SERVICE
FAULT CHECKLIST
COMPLAINT SUSPECTED CAUSE
TO CORRECT PROBLEM
Poor Water Pressure
Blockage at the inlet connection
Re-adjust isolating valve Disconnect
the water supply at the valve to remove
blockage Fit unrestricted HPNR valve
Not Heating
(a) Tripped Circuit Breaker
(b) Faulty thermostat or
heating element
(c) Fuse Wire broken
(d) Unit switched off
(e) Faulty control relay
Reset Circuit Breaker
Call SAXON Service to replace parts if in
warranty period - if out of warranty, call
electrician
Call Electrician
Switch unit on
Contact Locate Electricity Authority
Insufficient Hot Water
(a) Unit connected to wrong
electricity tariff
(b) Unit leaking
(c) Water passing through too quickly
(d) Water level in storage cylinder
below desired level
(e) Tempering valve setting on low
(f) Thermostat setting too low
Phone Electrical Authority to change tariff
Call SAXON Service to repair unit if under
warranty
Adjust flow rates to recommended setting
(See Page 12)
Refer valve Maintenance
(See Page 6)
Call Plumber
Call Electrician
Overflowing
(if in excess of 250ml
per day)
(a) Faulty valve
(b) Mains water supply in excess
of 1100kPa
(c) Leaking coil
If under warranty-contact SAXON service
Outside of warranty contact local plumber
Install pressure limiting valve in cold water
line before HPNR valve (500-600 kPa)
Call SAXON service or local plumber/
electrician
Steam issuing
from unit
Unit boiling
(a) Adjust thermostat down
(b) Replace thermostat - if under
warranty call SAXON service
(c) Contact local electrician
Rumbling Sound
Heating (element)
Rumbling sound occurs during normal
heating cycle. If noise is excessive
(See ‘Heating Element’, Page 15)
Loud banging noise in
or near heater
Water hammer
(a) Adjust flow rate to recommended
settings
(b) Call SAXON service
Electricity account
too high
Leaking pipe or dripping tap boiling
Check for leaks
See above (Unit Boiling)
SAXON SERVICE - PHONE 1300 363 959
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