Weil-McLain GOLD DV WATER BOILER XIg Troubleshooting — GCM lights, Part number 550-141-850/0699

GOLD GV Water boiler series 3 — manual

XIg Troubleshooting — GCM lights

CHART 1 — Troubleshooting POWER light status

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.

		Is POWER light off?					• Make sure service switch or circuit breaker is on or fuses
							are good.
	No				Yes
							• Remove 120 VAC IN plug (Figure 34, Item 1) on control
							module.
							• Using voltmeter, check across top and bottom pins of
		Is POWER light...					120 VAC IN receptacle.
							Does voltmeter indicate 120 VAC?
	Flashing		Flashing with			On steady
	alone		another light			(not flashing)	No		Yes
	TSTAT CIRC			Chart 2		Chart 6	Problem is with incoming
	light flashing
							electricity. Have licensed
	LIMIT			Chart 3		Chart 7	electrician repair circuit.
	light flashing
	PRES SWITCH			Chart 4			• Reconnect 120 VAC IN plug.
	light flashing
							• Remove 120 VAC transformer PRIMARY plug (Figure
	FLAME			Chart 5			34, Item 2) on control module.
	light flashing						• Using voltmeter, check across top and bottom pins of
							PRIMARY receptacle.
	For insufficient heat or no heat problem, go to
							Does voltmeter indicate 120 VAC?
	Chart 8 if POWER light is on steady, with no other
	light flashing.
							No		Yes
• Usually indicates polarity on incoming 120 VAC power
							Replace control module.
line is wrong.
							Retest.
• ▲ TURN OFF POWER▲ at service switch or breaker,
then reverse the HOT and NEUTRAL wires entering the
boiler in the J-box.							• Reinstall 120 VAC transformer PRIMARY plug.
• Restore POWER at service switch or breaker.
							• Remove 24 VAC transformer plug (Figure 34, Item 7) on
		Is POWER light flashing now?
							control module.
							• Using voltmeter, check across pins of receptacle.
	No				Yes
							Does voltmeter indicate 24 VAC?
							No		Yes
				Have system checked by a
				licensed electrician.
				If problem persists, call your
Boiler should now				local Weil-McLain sales			Replace transformer.		Replace control module.
operate normally.				representative.			Retest.		Retest.
74								Part number 550-141-850/0699