GE AF-300, C11 manual Control, system, Cooling

	Check part		Check item	How to inspect	Evaluation criteria
		Resistor	1)Unpleasant smell and crazing	1)Olfactory and	1)Not abnormal.
			of the insulation by	visual inspection	2)Less than about ±10% of
			overheating	2)Visual inspection	the indicated
			2)No open circuit?	or use a multimeter	resistance value
circuit				by removing a
				connection on one
Main				side.
		Trans-	Abnormal buzzing or unpleasant	Aural, olfactory, and	Not abnormal.
		former and	smell?	visual inspection
		reactor
		Magnetic	1)Rattling when operating?	1)Aural	1), 2) Not abnormal.
		contactor	2)Roughness of contact?	2)Visual inspection
		and relay
		Control PC	1)Loose screws or connectors?	1)Tighten more.	1), 2), 3), 4)
		board and	2)Unpleasant smell or	2)Olfactory and	Not abnormal.
circuit		connector	discoloration?	visual inspection
			3)Cracks, damage, deformation, or	3),4)Visual
Control			excessive rust?	inspection
			4)Electrolyte leakage or a
			deformed mark on the
			capacitor?
		Cooling	1)Abnormal sound or vibration?	1)Aural and visual in-	1)The fan must rotate
		fan	2)Loose of bolts?	spection. Turn with	smoothly.
		(2 HP or	3)Discoloration by	hand. (Make sure power	2), 3)Not abnormal
system		more)	overheating?	is off)
				2)Tighten more
				3)Visual inspection
Cooling		Ventilation	Clogging-up or foreign substance on	Visual inspection	Not abnormal
		way	heat sink or intake/exhaust ports?

(Note) Use a capacitance measuring instrument available on the market which is easy to use. (Remark) If the equipment is stained, wipe it with a cleaning cloth, which is chemically neutral. Vacuum-clean the dust.

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