Fault Finding (Chart 4) - Rheem 52S160 Service Instructions Manual

Fault Finding (Chart 4)

4
Does water temperature
at hot tap correspond with
or near thermostat
setting?
Isolate power before
NO
continuing diagnosis
Has the ECO tripped?
NO
Are thermostat contacts
open?
TEST 8
NO
Is the thermostat in good
contact with cylinder
wall?
YES
Is the heating unit
installed in the correct
orientation?
TM005 Rheem Solar Hiline Service Instructions REV D
D.O.I 20/02/2009
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YES
Is the water temperature
YES
above 80ºC?
NO
Reset the ECO and continue
with diagnosis.
Remove thermostat.
NO Re-tension holding bracket
and refit thermostat.
Did the thermostat
contacts open?
NO
YES
NO
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled".
YES
YES
YES
22
Advise customer on operation of
solar system and benefits of
storing water at 70ºC.
Tempering valves should be considered
for ablution areas if concerns surround
small children or elderly occupants.
Draw water until the water
temperature drops below 60ºC.
5
Draw water off to cool cylinder to
60ºC.
Replace the thermostat.
Refit heating unit in the correct
orientation.