Rheem 70103 - Fault Finding Chart 5 a 703 series

38
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 Chart 5a 703 series
5
NO
Is the fuse blown at
the switchboard?
NO
YES
Did the fuse blow
again?
YES
NO
Is 240 volts present
at terminal block?
(TEST 2A)
Household wiring or power point
faulty. Advise customer to call
an electrician.
NO
Is 240 volts present
at the power point?
(TEST 1)
1.1
Is 240 volts present
at the power point?
(TEST 1)
Faulty fuse replaced. Check
appliance operation.
YES
YES
Replace faulty cord set.
Is 240 volts present
at control board?
(TEST 3A)
Repair O/C wiring.NO
Does Eco surround
circle illuminate when
eco button pressed?
YES
YES
Led failure.
Replace timer fascia.
Is timer ribbon cable
connected firmly?
Ensure ribbon cable is
firmly plugged into sockets
on rear of timer and socket
on control board.
Replace control board.
a
a
Eco timer working correctly.
Does eco function
operate?
Does eco timer
operate?
NO
NO
YES
Eco button failure.
Replace timer fascia.
YES
Does eco button
function correctly?
(TEST 9)
NO
YES
Replace fuse
YES
YES
NO
YES
NO