Bunn JDF-4S service manual Function List, Circuit Board LED Indicators JDF-2S Early Models, Led #

FUNCTION LIST

Circuit Board LED Indicators - JDF-2S (Early Models)

LED #	LED Color	Illuminates:
1	Green	When the compressor should be ON.
2 Cabinet	Red	When the cabinet temperature is above 50 degrees F.
		Flashes slowly when cabinet temperature exceeds 50 degrees F for 4
		hours. Dispense functions are locked out under this condition. Power
		down the dispenser to reset.
		Flashes rapidly if dispense is attempted in lockout condition.
		Open cabinet thermistor circuit will flash #2 and #3 LED’s 1 time every 3
		seconds.
		Shorted cabinet thermistor will turn #2 and #3 LED’s on steady.
		*This mode disables the cabinet low temperature lockout fault.
3 Cabinet	Green	When cabinet temperature is below 50 degrees F.
4 Bath	Red	When bath temperature is above 34 degrees F.
		Flashes slowly when compressor is in a 6 minute delay period.
		Open bath thermistor circuit will flash #4 and #5 LED’s 1 time every 3
		seconds. The compressor will not run under this condition.
		Shorted bath thermistor circuit will flash #4 and #5 LED’s 2 times every 3
		seconds. The compressor will not run under this condition.
5 Bath	Green	When bath temperature is below 34 degrees F.

	1
2	3
4	5
FIG 18 JDF-2S	P3585
(Early Models)

18 44744.2 110813