Rheem 310 Series Service Instructions Manual page 17

Fault Finding Chart 1
1
Warning: Terminals may be 'live'.
Wear Personal Protective
Equipment to prevent risk of
Is 240
volts present at
the terminal
block?
NO
Is
the heater
connected to an
off peak
tariff?
NO
Is the
isolating switch
or time clock
turned off?
NO
Is the
fuse blown at the
switchboard?
YES
Reset circuit breaker
or rewire fuse
Did
the fuse or
circuit breaker blow
again?
TM025 Rheem Heat Pump Service Instructions REV: B
Date of Issue: 02/08/07
This document is stored and maintained electronically by
electric shock.
Test 1
YES
YES
NO
NO
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled".
No Hot Water
YES
Off peak connection is unsuitable for Heat
Pump models. Connect to continuous tariff or
Restore power and advise customer
YES
1. Heat pump connected to mixed circuit,
possible excessive current draw or another
appliance with a fault
2. Faulty circuit breaker or fatigued fuse wire
3. Unit may be short cycling due to faulty
thermostat
16
1.1
'off peak 2' if available
Fault in household electrical wiring
7