Rheem 70103 - Fault Finding Charts, Fault Diagnosis Sequence; General Fault Finding Chart

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TM063 701, 702 & 703 Series Boiling Water Unit Service Instructions
Revision D: Feb 2017
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
Fault Finding Charts, Fault Diagnosis Sequence
(General Fault Finding Chart) Note:- 703 Series, if a proxy timer is not fitted, no error codes can be displayed.
NO
Fault General Fault Finding Chart
YES
1
2
YES
NO
YES
NO
4
YES
NO
5
YES
7
NO
Note: This includes the complaints of
BW continuously boiling or BW ECO
continuously tripping.
Note: The following abbreviations are used throughout
all fault finding charts in this service manual
BWU = Boiling water unit
BW = Boiling water
3
6
YES
Noisy BWUNO
Is an error code
displayed on the
timer?
Refer to section
on ‘Timer’.
Refer to fault finding chart for
error code displayed.
YES
Is complaint for no
BW or BW not hot
enough?
NO
Is complaint for
BW too hot?
Is complaint
for insufficient
BW?
Is complaint for
no or low water
flow?
Is complaint
for timer not
functioning?
Is complaint
for leaking?