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Friedrich EQ08N11, SQ10N10 manual How to Check the Diagnostic Codes, Erasing the Diagnostic Codes

Models: EQ08N11 SQ06N10 SQ05N10 SQ08N10 SQ10N10

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How to Check the Diagnostic Codes

Erasing the Diagnostic Codes

See codes chart on next page.

AUTO FAN

SET POINT

To check the active system errors, press the SPEEDFAN & keys for 3 sec.

An “E” will appear in the display. Use the or keys to scroll through any system errors. Only active errors will be shown. The display error mode will time out in 15 seconds with no key activity.

Press the key to view the next error. Press the SELECT key to exit.

AUTO FAN

SET POINT

Normal display.

AUTO FAN

SET POINT

Press and hold the SCHEDULE and

buttons simultaneously for 3 sec.

TIMER

The “E” will blink for 3 seconds.

AUTO FAN

SET POINT

After the “E” blinks for 3 seconds, the display returns to normal.

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Friedrich EQ08N11, SQ10N10, SQ08N10, SQ05N10, SQ06N10 manual How to Check the Diagnostic Codes, Erasing the Diagnostic Codes

Contents

Service/Parts Manual POWERRoom Air Conditioners 2 0 1Table Of Contents IMPORTANT SAFETY INFORMATION PERSONAL INJURY OR DEATH HAZARDSNOTICE ELECTRICAL HAZARDSREFRIGERATION SYSTEM HAZARDS MECHANICAL HAZARDSINTRODUCTION PROPERTY DAMAGE HAZARDSRegister your air conditioner FIRE DAMAGE HAZARDSUNIT IDENTIFICATION KuhlQ Model Number Code RAC Serial Number Identiﬁcation GuideS Q 08 N 1 0 A - A 2nd DigitPERFORMANCE DATA Installation Information / Sleeve DimensionsThru-the-wallInstallation Circuit Rating / BreakerNOTICE ELECTRICAL DATAHACR: Heating Air Conditioning and Refrigeration ELECTRIC SHOCK HAZARDWARNING: Before Operating Your Unit Make sure the wiring is adequate for your unitTest the power cord Keep the filter cleanKuhl Q Control Panel Operation Kühl Control Options Wireless Programming and ControlPre-ProgrammedScheduling Options Customizable Programming OptionsControl Panel Operation Instructions AUTO1.Residential Schedule - 40 hour work week TIMER SCHEDULE BUTTONºF - ºC Select DIM Function AlertsWait Icon Control Panel LockTo Turn On the Timer or Schedule Selected TIMER OR SCHEDULE OPTIONS 1 OR 2 SELECTIONTimer Start Time TIMER SETTINGSSet theTimer Stop Time Timer ON ScenariosScenario ScenarioTimer OFF Scenarios Timer - Schedule Control BlockScenario ScenarioRemote Control Operation Remote EffectivenessTOP VIEW SIDE VIEWAUTO FAN CONTINUOUS AUTO ELECTRONIC CONTROL SEQUENCE OF OPERATION Cooling ModeCooling Fan Delay Heating Fan DelayFan Speed Change Delay ELECTRONIC CONTROL SEQUENCE OF OPERATION CONTCOMPONENTS TESTING Testing the User Interface and Relay BoardRoom Temperature Thermistor Voltage Test If the user interface does not turn onCOMPONENTS TESTING CON’T Testing the Relay Board Heat RelayFuse T 3.15AH 250 Volts ACCOMPONENTS TESTING Continued CAPACITORSCapacitor Check with Capacitor Analyzer Capacitor ConnectionsCOMPONENTS TESTING Continued TESTING THE HEATING ELEMENTHEATING ELEMENT ELECTRIC SHOCK HAZARDREFRIGERATION SEQUENCE OF OPERATION R-410ASEALED SYSTEM REPAIR CONSIDERATIONS Refrigeration system under high pressureR-410ASEALED REFRIGERATION SYSTEM REPAIRS Refrigerant ChargingEQUIPMENT REQUIRED EQUIPMENT MUST BE CAPABLE OFA good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of REFRIGERATION SEQUENCE OF OPERATIONR-410ASEALED REFRIGERATION SYSTEM REPAIRS Refrigerant ChargingEQUIPMENT REQUIRED EQUIPMENT MUST BE CAPABLE OFMethod Of Charging / Repairs BURN HAZARDFREEZE HAZARD BURN HAZARDUndercharged Refrigerant Systems Overcharged Refrigerant SystemsELECTRIC SHOCK HAZARD HIGH PRESSURE HAZARDRestricted Refrigerant System Single Phase Connections Single Phase Running and L.R.A. TestCOMPRESSOR CHECKS Locked Rotor Voltage L.R.V. TestSingle Phase Resistance Test GROUND TESTCOMPRESSOR REPLACEMENT Recommended procedure for compressor replacementHIGH TEMPERATURES NOTICEAvailable Accessories Window Installation KitsFriedrichLink Adapter Accessory Carbon Filter KitsHow to Remove the Front Cover Unplug unitROUTINE MAINTENANCE EXCESSIVE WEIGHT HAZARDBLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD NOTICEROUTINE MAINTENANCE Continued NOTICEThis is a warm weather appliance Condensation is normalFrosting NoisesPage How to Check the Diagnostic Codes Erasing the Diagnostic CodesAction ERROR CODESKey Sequence Test Mode Page Page Page Page Page Page NOTE: Heater size on the EQ08M11 is: 1.15 KW SQ05N10-A, SQ06N10-A, SQ08N10-A, SQ10N10-A ELECTRONIC CONTROLSCOOL ONLY WIRING DIAGRAM SCHEMATICELECTRONIC CONTROLS COOL WITH ELECTRIC HEAT MODELS EQ08M11-ATHERMISTORS’ RESISTANCE VALUES This Table Applies to All ThermistorsPage Page HEAT LOAD FORM Following is an example using the heat load formINFILTRATION - WINDOWS & DOORS: AVG HEATING LOAD FORM FRIEDRICH ROOM UNIT HEAT PUMPSWINDOWS & DOORS Area, sq. ft Chassis Kühl-QKühl Q-CHASSISUNIT EXPLODED DIAGRAM Kühl-QUnits’ 2012 Parts List 33 27 29 28Kühl Q-ChassisService Parts List Addendum Schedule Table with Energy Saving ValuesPre Programmed Residential Schedule Option Pre Programmed Commercial Schedule OptionSECOND THROUGH FIFTH YEAR ROOM AIR CONDITIONERS LIMITED WARRANTYFIRST YEAR CUSTOMER SATISFACTION and QUALITY ASSURANCE FRIEDRICH AUTHORIZED PARTS DEPOTSAAARefrigeration Service TECHNICAL SUPPORT CONTACT INFORMATIONFRIEDRICH AIR CONDITIONING CO