Fault Finding Chart 5 - Raypak 131 Service Instructions Manual

Fault Finding Chart 1.8
1.8
Refer to specification table.
Is inlet gas pressure
within specification?
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
Refer to specification table.
Is burner gas pressure
within specification?
YES
Are burner injectors
correct size and gas
type?
YES
Are burner injectors
partially blocked?
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
This document is stored and maintained electronically by
YES
4.1
NO
Adjust burner gas pressure.
Refer to section on adjusting
burner gas pressure.
NO
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
NO
Is flame wind affected?
NO
Heater operating. Check
heater operation to ensure
heater high limits do not trip
due to excessive temperature.
Does 45º inlet or 55º
outlet high limit trip?
NO
Can burner gas pressure
be adjusted?
NO
NO
YES
27
Advise customer.
Create wind break or
YES
reposition heater.
4
YES
Heater operating correctly.
Burner gas pressure adjusted.
YES
Check appliance operation.
Replace gas valve.
Replace burner injectors with
injectors of correct size and
gas type.
Clean or replace burner
injectors
Possible bad gas supply.