Specifications

Stellar Service Instructions REV: D
Date of Issue: 14/09/2007
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”.
13
FAULT FINDING – CHART 1
Pilot Fault
Is a
spark generated
at the pilot head when
the piezo is
pressed?
Ensure the gas control is in the off
position when conducting test
Is a
pilot flame
established?
1
NO
Check the gas supply pressure
is between the minimum and
maximum limit for the gas type
YES
1.2YES
1.1
NO
Is
the gas supply
pressure
ok?
If possible adjust supply pressure
or refer to installer or gas utility.
Advise customer.
NO
Is
the ECO open
circuit?
YES
TEST 1
Replace the gas controlYES
Is the
thermocouple
generating sufficient
voltage?
NO
TEST 2 AND 3
Replace the thermocouple
Is the
thermocouple
fully inserted in the
pilot bracket?
NO
YES
Refit the thermocouple in the
correct position
NO
Replace the gas controlElectromagnetic valve faulty
YES