Antunes, AJ VCT-50, VCT-20 Troubleshooting, Vertical Contact Toaster, Problem, Possible Cause

VERTICAL CONTACT TOASTER

TROUBLESHOOTING

WARNING

To avoid possible personal injury and/or damage to the unit, inspection, test and repair of electrical equip- ment should be performed by qualified service personnel. The unit should be unplugged when servicing, except when electrical tests are required. Use extreme care during electrical circuit tests. Live circuits will be exposed.

Problem	Possible Cause	Corrective Action
No heat and conveyor	Toaster is installed incor-	Perform installation and operating procedures
belts do not move.	rectly.	(pages 7-9).
	Not enough voltage, defec-	Check receptacle for correct voltage. See
	tive power cord, defective	Specifications (page 5).
	rocker switch.	With unit plugged in and rocker switch on, check
		for correct voltage into rocker switch. If low or zero
		voltage, replace power cord. If voltage is correct,
		check for correct voltage out of rocker switch. If low
		or no voltage, replace rocker switch.
	Hi-limit switch tripped open.	Reset hi-limit switch (Fig. 5, page 9).
	Wiring problem.	Check all electrical connections for burns, discolor-
		ation or arcing. Replace all connections or compo-
		nents with damaged terminals. Replace all dam-
		aged wiring with the same (or higher) rated wire.
No heat and conveyor	Wiring problem.	Check all electrical connections for burns, discolor-
belts move.		ation or arcing. Replace all connections or compo-
		nents with damaged terminals. Replace all dam-
		aged wiring with the same (or higher) rated wire.
	Inoperative platen.	To check platen:
		Use an Ohm meter to test resistance of the platen
		heater (disconnect 1 wire to isolate heater). Correct
		cold resistance for heating element of platen are as
		follows:
		120 Volts, 1750 Watts - 7.8 Ohms
		208 Volts, 2550 Watts - 16.2 Ohms
		230 Volts, 1900 Watts - 26.5 Ohms
		VCT-20 only. The auxiliary heaters are 144.2 Ohms
		at 208V/300 Watts.

P/N 1010729 Rev. C 05/04 13