Cycles | Friedrich 2003 specs

	PROBLEM	POSSIBLE CAUSE	TO CORRECT

		Poorly installed unit.	Refer to Installation Instructions for proper
			installation.
		Fan blade striking chassis.	Reposition - adjust motor mount.
	Noisy operation.	Compressor vibrating.	Check that compressor grommets have not
	Noisy operation.		deteriorated. Check that compressor mounting
			deteriorated. Check that compressor mounting
			parts are not missing, and that shipping blocks
			have been removed.
		Improperly mounted or loose cabinet	Check assembly and parts for looseness,
		parts.	rubbing and rattling.

PROBLEM	POSSIBLE CAUSE	TO CORRECT

	Evaporator drain pan overflowing.	Clean obstructed drain trough.
	Condensation forming on base pan.	Evaporator drain pan broken or cracked. Reseal or
Water leaks into room.		replace.
	Poor installation resulting in rain	Check Installation Instructions. Reseal as required.
	entering room.
	Condensation on discharge grilles.	Dirty evaporator coil - clean.
		Very high humidity level.

PROBLEM	POSSIBLE CAUSE	TO CORRECT

	Thermostat differential too narrow.	Replace thermostat.
Thermostat short	Plenum gasket not sealing, allowing	Check gasket. Reposition or replace.
Thermostat short	discharge air to short cycle thermostat.
cycles.
cycles.	Restricted coil or dirty filter.	Clean and advise customer of periodic cleaning of
		filter.
	Tubular insulation missing from top of	Replace tubular insulation on bulb.
	thermostat bulb.	(Applicable models.)
	Thermostat bulb touching thermostat	Adjust bulb bracket.
	bulb support bracket.	(Applicable models.)

PROBLEM		POSSIBLE CAUSE	TO CORRECT

		Anticipator (resistor) wire disconnected	Refer to appropriate wiring diagram.
		at thermostat or system switch.
		Anticipator (resister shorted or open).	Disconnect plug from outlet. Remove resistor from
Prolonged off-cycles.		(Applicable models.)	bracket. Insert plug and depress "Cool" and "Fan -
Prolonged off-cycles.			Auto (MoneySaver)” buttons. Place thermostat to
(automatic operation)			Auto (MoneySaver)” buttons. Place thermostat to
(automatic operation)			warmest setting. Feel resistor for temperature.
			warmest setting. Feel resistor for temperature.
			If no heat, replace resistor.
		Partial loss of charge in thermostat	Replace thermostat.
		bulb causing a wide differential.

PROBLEM	POSSIBLE CAUSE	TO CORRECT

Switches from	Thermostat sticking.	Change room thermostat.
cooling to heating.	Incorrect wiring.	Refer to appropriate wiring diagram.

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Image 38

Friedrich 2003 service manual Cycles

Contents

2003 Table of Contents 00001 1st Digit FunctionRAC Serial Number Identification Guide Page Data Evaporator AIR Operating Electrical Breaker Pressures Ratings Refrig Fuse Performance Evaporator AIR Operating Electrical Breaker Data SS10J10AR-A TEMP. DEG. F Pressures Ratings Heating SC06H10E Amps WY09A33F-A WY12A33F-A HeatingBtuh Refrigeration System Sequence of Operation Breaker Wire SizeFuse/Circuit Grounding Checking Compressor Efficiency Thermal Overload ExternalWinding Test Checking the Internal Overload Terminal Overload TestTerminal Overload Internal FAN Motor Resistor EQ Model Only See Figure System Control Panel KQ Models Only- See FigureSystem Control Panel System Control Panel YQ Model Only System Control Switch WE & WY Models See Figure System Control Switch Test System Control Switch KS, SS, KM, SM, SL Models See Figure System Control Panel See Figure System Control Switch Heat Pump & Electric Heat Models See Figure To Adjust FAN Speed To SET Mode of OperationTo Adjust Temperature Smart Center Electronic Control Center Testing the Electronic Control Error Code Listings To SET the TimerTesting the Electronic Control To SET Hour Clock Thermostat YQ Model Only See Figure TestThermostat SQ & KQ Models See Figure Thermostat Models ES, YS, EM, YM, EL, YL See Figure Thermostat Bulb Location Thermostat AdjustmentDefrost Thermostat Heat Pump Models Only Capacitor Test Defrost Bulb Location Heat Pump Models OnlyCAPACITOR, RUN See Figure Check Valve Operation Heat Pumps Reversing Valve See Figure To Test Testing Reversing ValveSolenoid Coil Heat Pump Models Only See Figure Sealed Refrigeration System Repairs VALVE, Drain PAN See FigureHeating Element See Figure Equipment Required Rotary Compressor Special Troubleshooting and Service Hermetic Component ReplacementSpecial Procedure in the Case Compressor Motor Burnout Equipment Must be Capable Undercharged Refrigerant Systems Method of Charging Overcharged Refrigerant Systems Restricted Refrigerant System Routine Maintenance Troubleshooting Touch Test Chart To Service Reversing Valves Troubleshooting Cooling Problem To Correct Problem Possible Cause To Correct Cycles Problem Possible Cause To Correct Troubleshooting Heating Heat pumps Problem Possible Cause To Correct Off and the electric element is energized Troubleshooting Heating Cooling/Electric Models Troubleshooting Chart Cooling System Cools When Heating is Desired YES Models SQ06J10B-B, SQ06J10B-A, SQ08J10C-A, SQ08J10D-A Models KQ08J10B-1, KQ08J10B-A, KQ08J10C-A Schematic Model YQ06J10B-A Model SC06H10D 619-405-06 SL28J30B-A, SL35J30-A, SL35J30-B Alternate Conductor Or Brown RED Blue To Capacitor Bracket Wiring Diagram YS12J33-A, YM18J34B-A, YL24J35C-A Model EQ08J11-A, EQ08J11-B IDT Ovld Neutral WE09A33E-B, WE12A33E-A, WE15A33-A WY09A33F-A, WY12A33G-A Testing The Electronic Control XQ Boards & QME Boards Checking Room Temperature Friedrich AIR Conditioning CO