TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
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26
Fault Finding Chart 1.6 & 1.7
Does hot surface igniter
glow?
1.6
Is 24 volts present at the
ignition module igniter
terminals?
YES
NO
NO
Clean flame sensor or replace
flame sensor/HSI assembly.
Test 19
Is gas valve on/off switch
set to „on‟?
Turn gas valve on/off switch
„on‟.
Is inlet gas pressure
within specification?
(1) These tests must be performed within 18
seconds from flame icon being displayed and
the ignition module receiving power. If ignition
is not successful after 18 seconds the ignition
module will lock out and must be reset.
To reset the ignition module turn controller off
by pressing and releasing the „power‟ button,
wait 5 seconds then turn controller on again by
pressing and releasing the „power‟ button.
(1)
Is gas available?
YES
NO
Advise customer.
NO
YES
Refer to specification table.
NO
YES
Are burner injectors
blocked?
Does burner ignite?
NO
YES
Is a false flame present?
YES
Is flame sensor clean?
NO
NO
Replace gas valve.
Clean or replace burner
injectors.
YES
NO
(1)
Faulty hot surface igniter.
Replace flame sensor/HSI
assembly.
1.7
YES
1.8
Replace ignition module.
YES
Is flame sensor wiring
connector plugged in?
YES
Plug in flame sensor wiring
connector.
NO
Are HSI wiring
connectors plugged in?
YES
Plug in hot surface igniter
wiring connectors.
NO
Is flame sensor touching
any metal component?
Adjust flame rod so as it is not
touching any metal
component.
YES
NO
B
B
Is gas isolation valve
turned on?
YES
Turn gas isolation valve on.
NO
(1)
Is gas available at gas
valve burner test point?
YES
Replace gas valve.
NO
(1)
Test 20
Refer to gas valve section
Is there 24 volts at gas
valve?
YES
Replace ignition module.
NO