Raypak B6000 manual Trouble Shooting Guide-Continued

Trouble Shooting Guide-Continued

Symptom	Possible Cause	Corrective Action
Boiler # x	Boiler not powered.	Check primary power.
"Not on Line" Displayed		Correct as necessary.
		Check communication cable,
		check (surge) ground Remove /
		Replace (R/R) as necessary.
		Initialize system.
Outdoor Temp. Sensor readings	Outdoor sensor not mounted	Refer to installation manual
are high.	correctly.	mounting instructions. Possible
		relocation for sensor.
Sensor reading 220°F.	Sensor wiring shorted	Check sensor wiring for damage.
		R/R as necessary.
		Initialize system.
Sensor reading - 35°F.	Sensor wiring open.	R/R as necessary
		Initialize system.
Low water cut-off alarm.	Excessive circuit loading of pump	Check power.
	contacts by user supplied system	Check pump contactor / relay
	pump.	R/R as necessary.
	Low water level in boiler	Replace F1 fusing.
		Check main water supply
Power lamp off on Boiler Monitor.	Fuse F1 blown.	Replace F1 fusing.
	Excessive circuit loading of pump	Remove Relay-K1 to isolate circuit
	contacts by user supplied system	loading.
	pump.	R/R as necessary.
	Circuit breaker tripped.	Reset circuit breaker.
Pump not running.	Excessive circuit loading of pump	Replace F1 fusing.
	contacts by user supplied system
	pump.
	Pump going off on thermal over-	Check pump.
	load circuit breaker tripped	Reset circuit breaker
Off at flow switch.	Paddle damaged or missing.	Check paddle on flow switch.
	Pump off on thermal overload.	Check pump, contact or relay.
		Replace F1 fusing.
Off on High Limit.	Low limit settings.	Check and correct settings.
	Intermittent power or pump	Meter amperage on pump.
	failure.	R/R as needed.

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