Fault Finding Chart 6 - Raypak 131 Service Instructions Manual

Fault Finding Chart 2
2
Is heater plumbed
correctly?
YES
Are plumbing valves open
or in correct position?
YES
Is water temperature
probe resistance value
correct?
YES
Is burner flame
satisfactory?
Burner flame should be blue with little
or no yellowing of the tips. Burner
flame should not be a harsh noisy blue
flame.
NO
Is inlet gas pressure
within specification?
YES
Refer to specification table.
Are burner injectors
correct size and gas
type?
YES
Check & adjust burner gas
pressure.
Refer to „Gas Valve‟ section.
NO
Can burner gas pressure
be correctly adjusted?
NO
What type of heater is
installed?
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
This document is stored and maintained electronically by
Refer to section „testing water
temperature thermistors‟
YES
Propane
Natural gas
NO
NO
NO
Is in/out header bypass
valve stuck open?
NO
Does in/out header
bypass valve have
correct spring?
YES
NO
NO
YES
Is gas of a suitable
quality?
YES
28
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
Remake plumbing to comply
with installation instructions.
Ensure plumbing valves are
open or in correct postion.
Replace water temperature
probe.
YES Free or replace bypass valve.
Replace bypass valve spring
NO
with one of the correct colour.
Pool heater operating
correctly. Pool may be loosing
temperature due to low
ambient air temperature or
adverse weather conditions.
Advise customer to fit a pool
cover.
Advise customer.
Replace burner injectors with
injectors of correct size and
gas type.
Burner gas pressure correctly
adjusted.
Advise customer that supply
gas is of a bad quality and is
NO
unsuitable for heater
operation.
Replace gas valve.