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Part Number 550-101-009/0107
57
GOLD CGa Gas-Fired Water Boiler — Boiler Manual
• Turn off power to the boiler at service switch or breaker.
• Wait at least 45 seconds.
• Turn on power to boiler.
• Restart boiler, following Operating instructions in this
manual (Section 9b) or on boiler label.
• Look through the pilot inspection port to see if the pilot is
burning.
Is pilot burning?
Electrical shock hazard — Wherever you see TURN OFF POWER , follow the instructions. Failure to follow
instructions could result in severe personal injury, death or substantial property damage.
• Leave main manual gas valve closed.
• Turn off power to boiler at service switch or breaker.
• Wait at least 45 seconds.
• Turn on power to boiler.
• Restart boiler, following Operating instructions in this
manual (Section 9b) or on boiler label.
Do FLAME and POWER lights still flash?
• Boiler should now
operate normally.
• Original flashing
FLAME light
caused by gas
valve not
operating properly.
• See normal
sequence of
operation,
Figure 24,
page 37.
• Replace gas valve.
• Retest boiler.
Are FLAME and POWER lights flashing?
No
Yes
No Yes
Are manual main shutoff valve and gas valve open?
• Replace control module.
• Retest.
— Usually indicates flame sensed when it shouldn't be there —
YesNo
• TURN OFF POWER
to boiler at service switch
or breaker.
• Open main manual gas
valve.
• Turn on power to boiler
at service switch or
breaker.
• Restart boiler per
operating instructions.
• Perform start-up
procedures in boiler
manual to verify proper
operation.
• Allow boiler to continue cycling.
Are FLAME and POWER lights flashing?
No
Yes
No
Yes
• Replace control
module.
• Retest.
• Replace control
module.
• Retest.
• Boiler may now be
operating
normally.
• Perform start-up
procedures in
boiler manual to
verify proper
operation.
CHART 5 — Spark-ignited pilot — FLAME & POWER lights flashing
Troubleshooting — spark-pilot boilers (continued) 11c