RIDGID OL90150 manual Do not disassemble

TROUBLE	PROBABLE CAUSE		REMEDY
Thermal overload	1. Low voltage	1. Check with voltmeter
protector cuts out	2. Clogged air filter	2. Clean filter (see
repeatedly			Maintenance section)
	3. Lack of proper ventila-	3. Move compressor to well
	tion/room temperature		ventilated area
	too high
	4. Unit is plugged into	4. Remove extension cord
	extension cord
Air tank pressure	1. Loose connections (fit-	1. Check all connections with
drops when com-	tings, tubing, etc.)		soap and water solution
pressor shuts off			and tighten
	2. Tank drain valve open	2. Close valve
	3. Check valve leaking	3. Disassemble check valve
			assembly, clean or replace
			! DANGER:
		Do not disassemble
		check valve with air in
		tank; bleed tank
Excessive moisture	1. Excessive water in air	1. Drain tanks
in discharge air	tanks
	2. High humidity	2. Move to area of less
			humidity; use air line filter
Compressor runs	1. Defective pressure	1. Replace switch
continuously	switch
	2. Excessive air usage	2. Decrease air usage; com-
			pressor not large enough
			for a requirement
Compressor vibrates	Loose mounting bolts	Tighten
Air output lower than	1. Broken inlet valves	1. Have authorized service
normal			representative repair unit
	2. Intake filter dirty	2. Clean or replace intake fil-
			ter
	3. Connections leaking	3. Tighten connections

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