GOLD GV Water boiler series 3 — manual
XIg Troubleshooting — GCM lights (continued)
CHART 5 — FLAME & POWER lights flashing
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.
Are manual main shutoff valve and gas valve turned on?
No
Yes
•Open manual gas valve.
•Restart boiler, following Lighting instructions for gas valve installed on boiler (Figure 25 or 26).
•Check for proper operation (per Sequence of operation, Figure 22).
Replace control module.
Retest.
•Boiler should now operate normally.
•Original flashing FLAME light caused by igniter not operating properly.
•See normal sequence of operation, Figure 22.
•Boiler should now operate normally.
•Original flashing FLAME light caused by gas valve not operating properly.
•See normal sequence of operation, Figure 22.
•Check gas valve harness wires and check for tight wiring connections on gas valve and control module. Repair/ replace as necessary.
•Recycle boiler by thermostat or service switch (holding power off for at least 45 seconds).
•Thermostat should call for heat and appropriate zone valves close.
During step 5 of sequence of operation (Figure 22),
is there 24 VAC across gas valve terminals?
No | Yes | |
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•Check and/or replace igniter.
•Recycle boiler by thermostat or service switch. Thermostat should call for heat and appropriate zone valves close.
•Wait 5 minutes.
Are FLAME & POWER lights flashing?
| No | Yes | |
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•Check and/or replace gas valve.
•Recycle boiler by thermostat or service switch. Thermostat should call for heat and appropriate zone valves close.
•Wait 5 minutes.
Are FLAME & POWER lights flashing?
No | Yes | |
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Call your local
78 | Part number |
