Components Testing, Error Code Listings

COMPONENTS TESTING

TESTING THE ELECTRONIC CONTROL BOARDS FOR XQ MODELS

X Star

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.

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.

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

Models: XQ08M10 XQ10M10 XQ05M10 XQ06M10 EQ08M11