Garland EM-C180 service manual C. Error Indication

CONDITION	TROUBLE	CHECK	RESULT	REMEDY
	Low microwave	Magnetron	Poor	See “HINT”
	output		oscillation	on page 10
	Uneven heating		Gear motor
		Rotation of top or	Rotation has	Repair or
		bottom antenna	stopped.	replace

°

C. ERROR INDICATION

The Display will show an error indication for self-diagonosis as follows. “E” means that a service technician is required .

“U” means that user can correct the operation.

Display	Trouble		Other Symptom	Solution
E-21	Thermistor (on duct) sensies		Oven stops heating.	Check and remove the cause of the cav-
	a temperature of 120° C or		Buzzer continuously beeps.	ity fire or abnormal overheating.
	higher.		Blower motor will stop	This error function will be cancelled when
			immediately.
				the power cord is unplugged.
E-31	Thermistor (on Magnetron) or		Oven stops heating.	Check for short-circuit of thermistor
			Buzzer does not beep.
	thermistor (on Duct)	is		itself or wire insulation of thermistor.
			Blower motor will stop
	shorted.			This error function be cancelled when the
			immediately.
				power cord is unpluged.
E-32	Thermistor (on Magnetron)	or	Oven stops heating.	Check for open-circuit of thermistor
	thermistor (on Duct) is opened.		Buzzer does not beep.	itself or improper connection of wire
			Blower motor is operated.	socket of thermistor.
				This error function be cancelled when the
				CLEAR key is touched.
U-10	Thermistor (on Magnetron)		Oven stops heating.	Check and remove cause of abnormal
	senses a temperature of 200° C		Buzzer continuously	overheating (such as operation with
	or higher.		beeps.	no food).
			Blower motor will stop	This error function will be cancelled when
			immediately.	the CLEAR key is touched.
U-50	The key for “Start” is not		(Remark:	This error function will be cancelled
	touched within 1 minute after		The purpose of this func-	when the door is opened and closed.
	the door is opened or closed .		tion is to avoid accidental
			operation while the user is
			not attempting to operate
			the oven.)

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