Friedrich XQ08M10 Components Testing, Testing the Electronic Control Boards for XQ Models

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COMPONENTS TESTING

TESTING THE ELECTRONIC CONTROL BOARDS FOR XQ MODELS

X Star

PM

Power

Cool

Fan

Speed Mode MoneySaver®

 

 

Fan Only

 

 

Clock

Timer

Set

Start Time

On/Off

Hour

 

ERROR CODE LISTINGS

E1 SHORT CYCLE SITUATION: Defi ned as (compressor powered on before the three minute time delay ten times in one hour. Investigate and correct short cycling problem.

E2 KEYBOARD STUCK ERROR: If key button(s) are pressed continuously for twenty seconds or more. If MODE key is stuck, unit will default to cool. Exit Error Code Mode to see if error “E2” is no longer displayed and unit is functioning. Replace board if “E2” still displays after exiting Error Code Mode.

E3 FROST PROBE OPEN: Normal operation is allowed.

Stop Time

Activating Test Mode:

Temp/Hour

Ohm frost probe. Replace probe if ohm value not read. If ohm value is present replace board.

E4 FROST PROBE SHORT: Normal operation allowed.

Activate test mode by pressing at the same time the “MODE” button and the “TEMP ” button on XQ models. LEDs for Hour, Start, and Stop will blink 1 bps while Test Mode is active.

Test Mode has duration of 90 minutes. Test Mode can be activated under any conditions, including Off. Test Mode is cancelled by pressing the On/Off button, unplugging the unit, or when the 90 minutes is timed out. All settings revert to the factory default settings of Cool, 75 degrees F, Timer and Set Hour features are nonfunctional.

Test Mode overrides the three-minute lockout, all delays for compressor and fan motor start / speed change, and no delay when switching modes.

During Test Mode, the default settings are; Unit ON, Money Saver ON, 60°F, and High fan speed.

Activating Error Code Mode: (Submode of Test Mode) Unit must be in Test Mode to enter Error Code Mode

1.Activate Error Code Mode by pressing the “TIMER ON/ OFF” button on XQ models. LED for the “TIMER ON/OFF” will fl ash 1 bps while Error Code Mode is active. Pressing the “TEMP/HR ” button will display 00. Consecutive presses will scroll through all error codes logged. Press

the “TEMP/HR ” button to see the reverse order of all error codes logged. When the end of logged error codes is reached the temperature set point will appear.

IMPORTANT: Error Codes are cleared from the log by exiting from Error Code Mode. To exit on XQ models, press Timer On/Off button. Or unplug unit to exit Error Code Mode. Plug unit in after 5 seconds to resume normal operation of unit.

Replace probe.

E5 INDOOR PROBE OPEN: Control assumes indoor ambient temperature is 90 degree F and unit will operate. Ohm indoor probe. Replace probe if ohm value not read.

E6 INDOOR PROBE SHORT: Control assumes ambient temperature is 90 degree F and unit will operate. Replace probe.

NOTE: All Error Code displays for Frost & Indoor Probe will allow unit to operate. Unit may or will ice up if faulty components not replaced.

FROST PROBE SENSOR: disables compressor at 35 degrees F.

INDOOR PROBE SENSOR: Control range is 60°F to 90°F +/- 2°F.

Indoor temperature will be displayed by pressing: (XQ units) The Fan Speed button and the “TEMP ” button.

The indoor temperature will be displayed for 10 seconds. The display will change back to the Set Point temperature by pressing any key button except for the On/Off button. The indoor temperature can be viewed in all modes, including test mode.

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Contents Volt XQ05M10*, XQ06M10*, XQ08M10*, XQ10M10 Volt EQ08M11Table Of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Hazards Introduction Property Damage Hazards5th Digit Model Series / Year Introduced Unit Identification6th Digit Voltage 00001Performance Data Fire Hazard Electrical DataElectric Shock Hazard Electrical Shock Hazard How to operate the Friedrich room air conditioner XQ models How to use the remote control XQ models Electronic Control Sequence of Operation Electrical Components Functional Component DefinitionsMechanical Components Hermetic ComponentsError Code Listings Components TestingTesting the Electronic Control Boards for XQ Models Activating Test ModeThermostat Adjustment EQ08 System Control Switch TestEQ08 System Control Switch Test TestCapacitor Connections CapacitorsCapacitor Check with Capacitor Analyzer FAN MotorDrain PAN Valve Testing the Heating Element Electric Shock HazardHeating Element Refrigeration Sequence of Operation 410A Sealed System Repair Considerations Refrigeration system under high pressureEquipment Must be Capable 410A Sealed Refrigeration System RepairsEquipment Required Risk of Electric ShockFreeze Hazard Method Of Charging / RepairsBurn Hazard Undercharged Refrigerant Systems Overcharged Refrigerant SystemsRestricted Refrigerant System Compressor Checks Single Phase Resistance Test Ground TestHigh Temperatures Compressor ReplacementRecommended procedure for compressor replacement Explosion HazardRotary Compressor Special Troubleshooting and Service Routine Maintenance Clearances Sleeve / DrainFront Cover Room AIR Conditioner Unit Performance Test Data Sheet Date Model SerialGeneral Troubleshooting Tips Unit does not operateDo not try to operate your air conditioner Cooling only Room AIR Conditioners Troubleshooting Tips Replace fuse, reset breaker. If repeats, check Fused separately Allowing discharge air to short Heat / Cool only Room AIR Conditioners Troubleshooting Tips Electronic Control Cool only Models Last character may vary Aham PUB. NO. RAC-1 DAY Cooling Load Estimate FormHeat Gain from Quantity Factors Following is an example using the heat load form Heat Load FormWindows & Doors Area, sq. ft Infiltration Windows & Doors AVGRoom AIR Conditioners Limited Warranty Technical Support Contact Information Page Friedrich AIR Conditioning CO

XQ08M10, XQ10M10, XQ05M10, XQ06M10, EQ08M11 specifications

Friedrich offers a range of innovative air conditioning units designed to provide superior comfort and energy efficiency. Among its lineup, the XQ06M10, EQ08M11, XQ05M10, XQ08M10, and XQ10M10 models stand out due to their advanced technologies and user-friendly features.

The XQ series, with models like XQ06M10 and XQ05M10, is renowned for its sleek design and exceptional performance in cooling and heating environments. These models utilize a highly efficient compressor system that reduces energy consumption while maintaining optimal temperature control. The XQ06M10, for example, is designed for medium-sized rooms, featuring a cooling capacity that caters well to residential and small office settings.

On the other hand, the EQ08M11 model is known for its enhanced energy efficiency compared to traditional units, thanks to its inverter technology. This feature allows the compressor to adjust its speed according to the cooling demand, resulting in lower energy costs and a quieter operation. The EQ08M11 is also equipped with a multi-stage filtration system, improving indoor air quality by capturing dust, allergens, and pollutants.

The XQ08M10 and XQ10M10 cater to larger spaces, with their respective higher cooling capacities making them suitable for bigger living areas or small commercial settings. Both models boast an easy-to-use digital control panel, which requires minimal effort to adjust settings. Additionally, they include a programmable timer feature, allowing users to automate operation according to their daily schedules, further enhancing energy savings.

All these models showcase Friedrich’s commitment to durability and reliability, built with high-grade materials designed to withstand varying temperatures and humidity levels. The XQ series is compact, facilitating easy installation without compromising performance.

In summary, the Friedrich XQ06M10, EQ08M11, XQ05M10, XQ08M10, and XQ10M10 models combine cutting-edge technology with practicality, ensuring an efficient and enjoyable indoor climate. With features aimed at energy efficiency, ease of use, and effective air filtration, these units represent a smart investment for anyone looking to enhance their living or working environment.
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