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TM061 Rheem 27 Water Star Service Instructions – Issued: 11/10
REV A Issued 08/13
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
Error Code 71
Gas Inlet Solenoid Valve (GISV) fault.
Error Code 71
Check wiring, if intact replace the
control PCB.
NO
Is there voltage at the GISV?
TEST 9
Replace the gas valve assembly.YES
Is multi-pin plug fully inserted
into terminal W on control
PCB?
YES
Ensure multi-pin plug is fully
inserted.
NO
Error Code 72
Follow the same procedure as used in Error Code 51.
Error Code 76
Communication Fault with Remote Temperature Control.
Error Code 76
Will the unit operate with
remote controls removed?
Either the wiring or one of the controllers is at
fault. Connect up each controller one at a time
on a new cable to identify the faulty item.
YES
Remove all remote control cables
from terminal block on underside
of heater.
Inspect each of the remote
controls that are fitted to the
appliance and ensure that there is
no duplication of controllers.
Replace control PCB.
Error code 76 will remain if more than 1
type of the same controller is fitted.
NO
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