Fault Finding Chart 1 - Rheem TM039 Service Instructions Manual

Fault Finding Chart 1

1.
Warning: Terminals may be live.
Personal Protective Equipment
Test 1
Is 240 volts present at the
terminal block?
YES
Isolate power and continue
with diagnosis procedure
1.1
TM039 Rheem Water Star Service Instructions REV: A
Date of Issue: 02/09
This document is stored and maintained electronically by
must be worn.
Restore power and advise
customer
Possible fault in household
electrical wiring. Continue with
diagnosis to confirm water heater
is operational.
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
No hot water
NO
YES
Tests 2, 3 & 4
NO
10
Is the isolating switch
turned off?
NO
Is the fuse blown at the
NO
switchboard?
YES
Conduct an electrical
insulation test (refer to section
on insulation testing)
Is the reading below 1
Megaohm?
YES
6